Finding the Fourth Proportional to 52,494.55, 72,441.17 and 28,621.69

Step by Step Solution

1. Step 1: Write the proportion equation
   52,494.55 : 72,441.17 = 28,621.69 : x
2. Step 2: Convert to fraction form
   52,494.55/72,441.17 = 28,621.69/x
3. Step 3: Cross multiply
   52,494.55x = 72,441.17 × 28,621.69
4. Step 4: Simplify right side
   52,494.55x = 2,073,388,494.10
5. Step 5: Solve for x
   x = 2,073,388,494.10/52,494.55
6. Step 6: Final answer
   x = 39,497.22