Finding the Fourth Proportional to 12,717.32, 17,550.06 and 7,340.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,717.32 : 17,550.06 = 7,340.88 : x
2. Step 2: Convert to fraction form
   12,717.32/17,550.06 = 7,340.88/x
3. Step 3: Cross multiply
   12,717.32x = 17,550.06 × 7,340.88
4. Step 4: Simplify right side
   12,717.32x = 128,832,884.45
5. Step 5: Solve for x
   x = 128,832,884.45/12,717.32
6. Step 6: Final answer
   x = 10,130.51