Finding the Fourth Proportional to 9,008.84, 12,430.36 and 5,470.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,008.84 : 12,430.36 = 5,470.12 : x
2. Step 2: Convert to fraction form
   9,008.84/12,430.36 = 5,470.12/x
3. Step 3: Cross multiply
   9,008.84x = 12,430.36 × 5,470.12
4. Step 4: Simplify right side
   9,008.84x = 67,995,560.84
5. Step 5: Solve for x
   x = 67,995,560.84/9,008.84
6. Step 6: Final answer
   x = 7,547.65