Finding the Fourth Proportional to 72,065, 99,441.60 and 41,846.60

Step by Step Solution

1. Step 1: Write the proportion equation
   72,065 : 99,441.60 = 41,846.60 : x
2. Step 2: Convert to fraction form
   72,065/99,441.60 = 41,846.60/x
3. Step 3: Cross multiply
   72,065x = 99,441.60 × 41,846.60
4. Step 4: Simplify right side
   72,065x = 4,161,292,858.56
5. Step 5: Solve for x
   x = 4,161,292,858.56/72,065
6. Step 6: Final answer
   x = 57,743.60