Finding the Fourth Proportional to 56,635.34, 78,139.46 and 37,248.72

Step by Step Solution

1. Step 1: Write the proportion equation
   56,635.34 : 78,139.46 = 37,248.72 : x
2. Step 2: Convert to fraction form
   56,635.34/78,139.46 = 37,248.72/x
3. Step 3: Cross multiply
   56,635.34x = 78,139.46 × 37,248.72
4. Step 4: Simplify right side
   56,635.34x = 2,910,594,973.27
5. Step 5: Solve for x
   x = 2,910,594,973.27/56,635.34
6. Step 6: Final answer
   x = 51,391.85