Finding the Fourth Proportional to 9,058.16, 12,499.62 and 5,025.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,058.16 : 12,499.62 = 5,025.20 : x
2. Step 2: Convert to fraction form
   9,058.16/12,499.62 = 5,025.20/x
3. Step 3: Cross multiply
   9,058.16x = 12,499.62 × 5,025.20
4. Step 4: Simplify right side
   9,058.16x = 62,813,090.42
5. Step 5: Solve for x
   x = 62,813,090.42/9,058.16
6. Step 6: Final answer
   x = 6,934.42