Finding the Fourth Proportional to 56,633.92, 78,155.10 and 31,141.92

Step by Step Solution

1. Step 1: Write the proportion equation
   56,633.92 : 78,155.10 = 31,141.92 : x
2. Step 2: Convert to fraction form
   56,633.92/78,155.10 = 31,141.92/x
3. Step 3: Cross multiply
   56,633.92x = 78,155.10 × 31,141.92
4. Step 4: Simplify right side
   56,633.92x = 2,433,899,871.79
5. Step 5: Solve for x
   x = 2,433,899,871.79/56,633.92
6. Step 6: Final answer
   x = 42,976.01