Finding the Fourth Proportional to 56,904,868.17, 78,520,359.74 and 31,783,882.05

Step by Step Solution

1. Step 1: Write the proportion equation
   56,904,868.17 : 78,520,359.74 = 31,783,882.05 : x
2. Step 2: Convert to fraction form
   56,904,868.17/78,520,359.74 = 31,783,882.05/x
3. Step 3: Cross multiply
   56,904,868.17x = 78,520,359.74 × 31,783,882.05
4. Step 4: Simplify right side
   56,904,868.17x = 2,495,681,852,340,809.50
5. Step 5: Solve for x
   x = 2,495,681,852,340,809.50/56,904,868.17
6. Step 6: Final answer
   x = 43,857,088.73