Finding the Fourth Proportional to 12,480.35, 17,225.06 and 7,444.89

Step by Step Solution

1. Step 1: Write the proportion equation
   12,480.35 : 17,225.06 = 7,444.89 : x
2. Step 2: Convert to fraction form
   12,480.35/17,225.06 = 7,444.89/x
3. Step 3: Cross multiply
   12,480.35x = 17,225.06 × 7,444.89
4. Step 4: Simplify right side
   12,480.35x = 128,238,639.72
5. Step 5: Solve for x
   x = 128,238,639.72/12,480.35
6. Step 6: Final answer
   x = 10,275.25