Finding the Fourth Proportional to 17,690.52, 24,402.78 and 11,055

Step by Step Solution

1. Step 1: Write the proportion equation
   17,690.52 : 24,402.78 = 11,055 : x
2. Step 2: Convert to fraction form
   17,690.52/24,402.78 = 11,055/x
3. Step 3: Cross multiply
   17,690.52x = 24,402.78 × 11,055
4. Step 4: Simplify right side
   17,690.52x = 269,772,732.90
5. Step 5: Solve for x
   x = 269,772,732.90/17,690.52
6. Step 6: Final answer
   x = 15,249.56