Finding the Fourth Proportional to 52,492.68, 72,442.17 and 28,620.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,492.68 : 72,442.17 = 28,620.72 : x
2. Step 2: Convert to fraction form
   52,492.68/72,442.17 = 28,620.72/x
3. Step 3: Cross multiply
   52,492.68x = 72,442.17 × 28,620.72
4. Step 4: Simplify right side
   52,492.68x = 2,073,347,063.76
5. Step 5: Solve for x
   x = 2,073,347,063.76/52,492.68
6. Step 6: Final answer
   x = 39,497.83