Finding the Fourth Proportional to 835,581,089,499.42, 1,253,617,542,541.10 and 269,608,158,716.72

Step by Step Solution

1. Step 1: Write the proportion equation
   835,581,089,499.42 : 1,253,617,542,541.10 = 269,608,158,716.72 : x
2. Step 2: Convert to fraction form
   835,581,089,499.42/1,253,617,542,541.10 = 269,608,158,716.72/x
3. Step 3: Cross multiply
   835,581,089,499.42x = 1,253,617,542,541.10 × 269,608,158,716.72
4. Step 4: Simplify right side
   835,581,089,499.42x = 337,985,517,379,485,370,941,440
5. Step 5: Solve for x
   x = 337,985,517,379,485,370,941,440/835,581,089,499.42
6. Step 6: Final answer
   x = 404,491,582,716.37