Finding the Fourth Proportional to 52,404.53, 72,318.06 and 28,531.17

Step by Step Solution

1. Step 1: Write the proportion equation
   52,404.53 : 72,318.06 = 28,531.17 : x
2. Step 2: Convert to fraction form
   52,404.53/72,318.06 = 28,531.17/x
3. Step 3: Cross multiply
   52,404.53x = 72,318.06 × 28,531.17
4. Step 4: Simplify right side
   52,404.53x = 2,063,318,863.93
5. Step 5: Solve for x
   x = 2,063,318,863.93/52,404.53
6. Step 6: Final answer
   x = 39,372.91