Finding the Fourth Proportional to 52,499.28, 72,450.52 and 28,627.50

Step by Step Solution

1. Step 1: Write the proportion equation
   52,499.28 : 72,450.52 = 28,627.50 : x
2. Step 2: Convert to fraction form
   52,499.28/72,450.52 = 28,627.50/x
3. Step 3: Cross multiply
   52,499.28x = 72,450.52 × 28,627.50
4. Step 4: Simplify right side
   52,499.28x = 2,074,077,261.30
5. Step 5: Solve for x
   x = 2,074,077,261.30/52,499.28
6. Step 6: Final answer
   x = 39,506.78