Finding the Fourth Proportional to 17,498.08, 26,217.42 and 10,558

Step by Step Solution

1. Step 1: Write the proportion equation
   17,498.08 : 26,217.42 = 10,558 : x
2. Step 2: Convert to fraction form
   17,498.08/26,217.42 = 10,558/x
3. Step 3: Cross multiply
   17,498.08x = 26,217.42 × 10,558
4. Step 4: Simplify right side
   17,498.08x = 276,803,520.36
5. Step 5: Solve for x
   x = 276,803,520.36/17,498.08
6. Step 6: Final answer
   x = 15,819.08