Finding the Fourth Proportional to 52,588.74, 72,571.17 and 28,714.86

Step by Step Solution

1. Step 1: Write the proportion equation
   52,588.74 : 72,571.17 = 28,714.86 : x
2. Step 2: Convert to fraction form
   52,588.74/72,571.17 = 28,714.86/x
3. Step 3: Cross multiply
   52,588.74x = 72,571.17 × 28,714.86
4. Step 4: Simplify right side
   52,588.74x = 2,083,870,986.59
5. Step 5: Solve for x
   x = 2,083,870,986.59/52,588.74
6. Step 6: Final answer
   x = 39,625.80