Finding the Fourth Proportional to 11,708.32, 17,556.18 and 5,126.85

Step by Step Solution

1. Step 1: Write the proportion equation
   11,708.32 : 17,556.18 = 5,126.85 : x
2. Step 2: Convert to fraction form
   11,708.32/17,556.18 = 5,126.85/x
3. Step 3: Cross multiply
   11,708.32x = 17,556.18 × 5,126.85
4. Step 4: Simplify right side
   11,708.32x = 90,007,901.43
5. Step 5: Solve for x
   x = 90,007,901.43/11,708.32
6. Step 6: Final answer
   x = 7,687.52