Finding the Fourth Proportional to 17,419.98, 26,121.33 and 5,731.50

Step by Step Solution

1. Step 1: Write the proportion equation
   17,419.98 : 26,121.33 = 5,731.50 : x
2. Step 2: Convert to fraction form
   17,419.98/26,121.33 = 5,731.50/x
3. Step 3: Cross multiply
   17,419.98x = 26,121.33 × 5,731.50
4. Step 4: Simplify right side
   17,419.98x = 149,714,402.90
5. Step 5: Solve for x
   x = 149,714,402.90/17,419.98
6. Step 6: Final answer
   x = 8,594.41