Finding the Fourth Proportional to 11,498.49, 17,248.86 and 4,479.10

Step by Step Solution

1. Step 1: Write the proportion equation
   11,498.49 : 17,248.86 = 4,479.10 : x
2. Step 2: Convert to fraction form
   11,498.49/17,248.86 = 4,479.10/x
3. Step 3: Cross multiply
   11,498.49x = 17,248.86 × 4,479.10
4. Step 4: Simplify right side
   11,498.49x = 77,259,325.70
5. Step 5: Solve for x
   x = 77,259,325.70/11,498.49
6. Step 6: Final answer
   x = 6,719.08