Finding the Fourth Proportional to 52,535.29, 72,498.61 and 28,661.95

Step by Step Solution

1. Step 1: Write the proportion equation
   52,535.29 : 72,498.61 = 28,661.95 : x
2. Step 2: Convert to fraction form
   52,535.29/72,498.61 = 28,661.95/x
3. Step 3: Cross multiply
   52,535.29x = 72,498.61 × 28,661.95
4. Step 4: Simplify right side
   52,535.29x = 2,077,951,534.89
5. Step 5: Solve for x
   x = 2,077,951,534.89/52,535.29
6. Step 6: Final answer
   x = 39,553.44