Finding the Fourth Proportional to 52,679.47, 72,700.37 and 28,805.89

Step by Step Solution

1. Step 1: Write the proportion equation
   52,679.47 : 72,700.37 = 28,805.89 : x
2. Step 2: Convert to fraction form
   52,679.47/72,700.37 = 28,805.89/x
3. Step 3: Cross multiply
   52,679.47x = 72,700.37 × 28,805.89
4. Step 4: Simplify right side
   52,679.47x = 2,094,198,861.18
5. Step 5: Solve for x
   x = 2,094,198,861.18/52,679.47
6. Step 6: Final answer
   x = 39,753.61