Finding the Fourth Proportional to 9,008.16, 12,427.56 and 5,470.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.16 : 12,427.56 = 5,470.80 : x
2. Step 2: Convert to fraction form
   9,008.16/12,427.56 = 5,470.80/x
3. Step 3: Cross multiply
   9,008.16x = 12,427.56 × 5,470.80
4. Step 4: Simplify right side
   9,008.16x = 67,988,695.25
5. Step 5: Solve for x
   x = 67,988,695.25/9,008.16
6. Step 6: Final answer
   x = 7,547.46