Finding the Fourth Proportional to 52,404.75, 72,319.84 and 28,532.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,404.75 : 72,319.84 = 28,532.72 : x
2. Step 2: Convert to fraction form
   52,404.75/72,319.84 = 28,532.72/x
3. Step 3: Cross multiply
   52,404.75x = 72,319.84 × 28,532.72
4. Step 4: Simplify right side
   52,404.75x = 2,063,481,854.63
5. Step 5: Solve for x
   x = 2,063,481,854.63/52,404.75
6. Step 6: Final answer
   x = 39,375.86