Finding the Fourth Proportional to 11,434.59, 17,134.18 and 7,931.41

Step by Step Solution

1. Step 1: Write the proportion equation
   11,434.59 : 17,134.18 = 7,931.41 : x
2. Step 2: Convert to fraction form
   11,434.59/17,134.18 = 7,931.41/x
3. Step 3: Cross multiply
   11,434.59x = 17,134.18 × 7,931.41
4. Step 4: Simplify right side
   11,434.59x = 135,898,208.18
5. Step 5: Solve for x
   x = 135,898,208.18/11,434.59
6. Step 6: Final answer
   x = 11,884.83