Finding the Fourth Proportional to 52,404.89, 72,318.87 and 28,531.71

Step by Step Solution

1. Step 1: Write the proportion equation
   52,404.89 : 72,318.87 = 28,531.71 : x
2. Step 2: Convert to fraction form
   52,404.89/72,318.87 = 28,531.71/x
3. Step 3: Cross multiply
   52,404.89x = 72,318.87 × 28,531.71
4. Step 4: Simplify right side
   52,404.89x = 2,063,381,026.37
5. Step 5: Solve for x
   x = 2,063,381,026.37/52,404.89
6. Step 6: Final answer
   x = 39,373.83