Finding the Fourth Proportional to 17,288.82, 25,931.34 and 5,598.90

Step by Step Solution

1. Step 1: Write the proportion equation
   17,288.82 : 25,931.34 = 5,598.90 : x
2. Step 2: Convert to fraction form
   17,288.82/25,931.34 = 5,598.90/x
3. Step 3: Cross multiply
   17,288.82x = 25,931.34 × 5,598.90
4. Step 4: Simplify right side
   17,288.82x = 145,186,979.53
5. Step 5: Solve for x
   x = 145,186,979.53/17,288.82
6. Step 6: Final answer
   x = 8,397.74