Finding the Fourth Proportional to 52,140.88, 72,013.81 and 35,344.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,140.88 : 72,013.81 = 35,344.72 : x
2. Step 2: Convert to fraction form
   52,140.88/72,013.81 = 35,344.72/x
3. Step 3: Cross multiply
   52,140.88x = 72,013.81 × 35,344.72
4. Step 4: Simplify right side
   52,140.88x = 2,545,307,502.15
5. Step 5: Solve for x
   x = 2,545,307,502.15/52,140.88
6. Step 6: Final answer
   x = 48,815.97