Finding the Fourth Proportional to 12,438.08, 17,164.24 and 7,061.52

Step by Step Solution

1. Step 1: Write the proportion equation
   12,438.08 : 17,164.24 = 7,061.52 : x
2. Step 2: Convert to fraction form
   12,438.08/17,164.24 = 7,061.52/x
3. Step 3: Cross multiply
   12,438.08x = 17,164.24 × 7,061.52
4. Step 4: Simplify right side
   12,438.08x = 121,205,624.04
5. Step 5: Solve for x
   x = 121,205,624.04/12,438.08
6. Step 6: Final answer
   x = 9,744.72