Finding the Fourth Proportional to 52,344.29, 72,253.91 and 31,123.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,344.29 : 72,253.91 = 31,123.50 : x
2. Step 2: Convert to fraction form
   52,344.29/72,253.91 = 31,123.50/x
3. Step 3: Cross multiply
   52,344.29x = 72,253.91 × 31,123.50
4. Step 4: Simplify right side
   52,344.29x = 2,248,794,412.27
5. Step 5: Solve for x
   x = 2,248,794,412.27/52,344.29
6. Step 6: Final answer
   x = 42,961.60