Finding the Fourth Proportional to 56,737.32, 78,296.83 and 31,243.15

Step by Step Solution

1. Step 1: Write the proportion equation
   56,737.32 : 78,296.83 = 31,243.15 : x
2. Step 2: Convert to fraction form
   56,737.32/78,296.83 = 31,243.15/x
3. Step 3: Cross multiply
   56,737.32x = 78,296.83 × 31,243.15
4. Step 4: Simplify right side
   56,737.32x = 2,446,239,604.21
5. Step 5: Solve for x
   x = 2,446,239,604.21/56,737.32
6. Step 6: Final answer
   x = 43,115.18