Finding the Fourth Proportional to 52,615.29, 72,608.17 and 28,741.35

Step by Step Solution

1. Step 1: Write the proportion equation
   52,615.29 : 72,608.17 = 28,741.35 : x
2. Step 2: Convert to fraction form
   52,615.29/72,608.17 = 28,741.35/x
3. Step 3: Cross multiply
   52,615.29x = 72,608.17 × 28,741.35
4. Step 4: Simplify right side
   52,615.29x = 2,086,856,826.83
5. Step 5: Solve for x
   x = 2,086,856,826.83/52,615.29
6. Step 6: Final answer
   x = 39,662.55