Finding the Fourth Proportional to 56,942,978.66, 85,429,033.42 and 16,553,462.66

Step by Step Solution

1. Step 1: Write the proportion equation
   56,942,978.66 : 85,429,033.42 = 16,553,462.66 : x
2. Step 2: Convert to fraction form
   56,942,978.66/85,429,033.42 = 16,553,462.66/x
3. Step 3: Cross multiply
   56,942,978.66x = 85,429,033.42 × 16,553,462.66
4. Step 4: Simplify right side
   56,942,978.66x = 1,414,146,314,797,862.25
5. Step 5: Solve for x
   x = 1,414,146,314,797,862.25/56,942,978.66
6. Step 6: Final answer
   x = 24,834,428.20