Finding the Fourth Proportional to 12,656.45, 17,460.09 and 7,350.24

Step by Step Solution

1. Step 1: Write the proportion equation
   12,656.45 : 17,460.09 = 7,350.24 : x
2. Step 2: Convert to fraction form
   12,656.45/17,460.09 = 7,350.24/x
3. Step 3: Cross multiply
   12,656.45x = 17,460.09 × 7,350.24
4. Step 4: Simplify right side
   12,656.45x = 128,335,851.92
5. Step 5: Solve for x
   x = 128,335,851.92/12,656.45
6. Step 6: Final answer
   x = 10,139.96