Finding the Fourth Proportional to 291,830,642.26, 402,731,329.89 and 159,683,188.42

Step by Step Solution

1. Step 1: Write the proportion equation
   291,830,642.26 : 402,731,329.89 = 159,683,188.42 : x
2. Step 2: Convert to fraction form
   291,830,642.26/402,731,329.89 = 159,683,188.42/x
3. Step 3: Cross multiply
   291,830,642.26x = 402,731,329.89 × 159,683,188.42
4. Step 4: Simplify right side
   291,830,642.26x = 64,309,422,833,462,040
5. Step 5: Solve for x
   x = 64,309,422,833,462,040/291,830,642.26
6. Step 6: Final answer
   x = 220,365,559.75