Finding the Fourth Proportional to 52,740.50, 72,781.89 and 29,188.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,740.50 : 72,781.89 = 29,188.50 : x
2. Step 2: Convert to fraction form
   52,740.50/72,781.89 = 29,188.50/x
3. Step 3: Cross multiply
   52,740.50x = 72,781.89 × 29,188.50
4. Step 4: Simplify right side
   52,740.50x = 2,124,394,196.27
5. Step 5: Solve for x
   x = 2,124,394,196.27/52,740.50
6. Step 6: Final answer
   x = 40,280.13