Finding the Fourth Proportional to 52,500.28, 72,449.34 and 28,627.12

Step by Step Solution

1. Step 1: Write the proportion equation
   52,500.28 : 72,449.34 = 28,627.12 : x
2. Step 2: Convert to fraction form
   52,500.28/72,449.34 = 28,627.12/x
3. Step 3: Cross multiply
   52,500.28x = 72,449.34 × 28,627.12
4. Step 4: Simplify right side
   52,500.28x = 2,074,015,950.10
5. Step 5: Solve for x
   x = 2,074,015,950.10/52,500.28
6. Step 6: Final answer
   x = 39,504.86