Finding the Fourth Proportional to 56,942,978.29, 85,429,032.86 and 16,553,462.29

Step by Step Solution

1. Step 1: Write the proportion equation
   56,942,978.29 : 85,429,032.86 = 16,553,462.29 : x
2. Step 2: Convert to fraction form
   56,942,978.29/85,429,032.86 = 16,553,462.29/x
3. Step 3: Cross multiply
   56,942,978.29x = 85,429,032.86 × 16,553,462.29
4. Step 4: Simplify right side
   56,942,978.29x = 1,414,146,273,919,180.75
5. Step 5: Solve for x
   x = 1,414,146,273,919,180.75/56,942,978.29
6. Step 6: Final answer
   x = 24,834,427.64