Finding the Fourth Proportional to 11,414.31, 17,113.15 and 7,707.34

Step by Step Solution

1. Step 1: Write the proportion equation
   11,414.31 : 17,113.15 = 7,707.34 : x
2. Step 2: Convert to fraction form
   11,414.31/17,113.15 = 7,707.34/x
3. Step 3: Cross multiply
   11,414.31x = 17,113.15 × 7,707.34
4. Step 4: Simplify right side
   11,414.31x = 131,896,865.52
5. Step 5: Solve for x
   x = 131,896,865.52/11,414.31
6. Step 6: Final answer
   x = 11,555.40