Finding the Fourth Proportional to 11,713.59, 16,159.86 and 7,681.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,713.59 : 16,159.86 = 7,681.41 : x
2. Step 2: Convert to fraction form
   11,713.59/16,159.86 = 7,681.41/x
3. Step 3: Cross multiply
   11,713.59x = 16,159.86 × 7,681.41
4. Step 4: Simplify right side
   11,713.59x = 124,130,510.20
5. Step 5: Solve for x
   x = 124,130,510.20/11,713.59
6. Step 6: Final answer
   x = 10,597.14