Finding the Fourth Proportional to 9,008.52, 12,430.52 and 5,028.88

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.52 : 12,430.52 = 5,028.88 : x
2. Step 2: Convert to fraction form
   9,008.52/12,430.52 = 5,028.88/x
3. Step 3: Cross multiply
   9,008.52x = 12,430.52 × 5,028.88
4. Step 4: Simplify right side
   9,008.52x = 62,511,593.42
5. Step 5: Solve for x
   x = 62,511,593.42/9,008.52
6. Step 6: Final answer
   x = 6,939.16