Finding the Fourth Proportional to 12,498.36, 17,244.86 and 7,464.20

Step by Step Solution

1. Step 1: Write the proportion equation
   12,498.36 : 17,244.86 = 7,464.20 : x
2. Step 2: Convert to fraction form
   12,498.36/17,244.86 = 7,464.20/x
3. Step 3: Cross multiply
   12,498.36x = 17,244.86 × 7,464.20
4. Step 4: Simplify right side
   12,498.36x = 128,719,084.01
5. Step 5: Solve for x
   x = 128,719,084.01/12,498.36
6. Step 6: Final answer
   x = 10,298.88