Finding the Fourth Proportional to 56,597.28, 78,104.08 and 31,105.37

Step by Step Solution

1. Step 1: Write the proportion equation
   56,597.28 : 78,104.08 = 31,105.37 : x
2. Step 2: Convert to fraction form
   56,597.28/78,104.08 = 31,105.37/x
3. Step 3: Cross multiply
   56,597.28x = 78,104.08 × 31,105.37
4. Step 4: Simplify right side
   56,597.28x = 2,429,456,306.91
5. Step 5: Solve for x
   x = 2,429,456,306.91/56,597.28
6. Step 6: Final answer
   x = 42,925.32