Finding the Fourth Proportional to 17,105.90, 23,587.52 and 11,126.48

Step by Step Solution

1. Step 1: Write the proportion equation
   17,105.90 : 23,587.52 = 11,126.48 : x
2. Step 2: Convert to fraction form
   17,105.90/23,587.52 = 11,126.48/x
3. Step 3: Cross multiply
   17,105.90x = 23,587.52 × 11,126.48
4. Step 4: Simplify right side
   17,105.90x = 262,445,895.96
5. Step 5: Solve for x
   x = 262,445,895.96/17,105.90
6. Step 6: Final answer
   x = 15,342.42