Finding the Fourth Proportional to 56,606,952.86, 78,116,566.42 and 31,488,939.53

Step by Step Solution

1. Step 1: Write the proportion equation
   56,606,952.86 : 78,116,566.42 = 31,488,939.53 : x
2. Step 2: Convert to fraction form
   56,606,952.86/78,116,566.42 = 31,488,939.53/x
3. Step 3: Cross multiply
   56,606,952.86x = 78,116,566.42 × 31,488,939.53
4. Step 4: Simplify right side
   56,606,952.86x = 2,459,807,836,290,608.50
5. Step 5: Solve for x
   x = 2,459,807,836,290,608.50/56,606,952.86
6. Step 6: Final answer
   x = 43,454,164.41