Finding the Fourth Proportional to 17,998.25, 27,002.55 and 5,520.10

Step by Step Solution

1. Step 1: Write the proportion equation
   17,998.25 : 27,002.55 = 5,520.10 : x
2. Step 2: Convert to fraction form
   17,998.25/27,002.55 = 5,520.10/x
3. Step 3: Cross multiply
   17,998.25x = 27,002.55 × 5,520.10
4. Step 4: Simplify right side
   17,998.25x = 149,056,789.87
5. Step 5: Solve for x
   x = 149,056,789.87/17,998.25
6. Step 6: Final answer
   x = 8,281.74