Finding the Fourth Proportional to 52,610.50, 72,602.06 and 28,737.18

Step by Step Solution

1. Step 1: Write the proportion equation
   52,610.50 : 72,602.06 = 28,737.18 : x
2. Step 2: Convert to fraction form
   52,610.50/72,602.06 = 28,737.18/x
3. Step 3: Cross multiply
   52,610.50x = 72,602.06 × 28,737.18
4. Step 4: Simplify right side
   52,610.50x = 2,086,378,466.59
5. Step 5: Solve for x
   x = 2,086,378,466.59/52,610.50
6. Step 6: Final answer
   x = 39,657.07