Finding the Fourth Proportional to 12,829.10, 17,708.20 and 7,526.06

Step by Step Solution

1. Step 1: Write the proportion equation
   12,829.10 : 17,708.20 = 7,526.06 : x
2. Step 2: Convert to fraction form
   12,829.10/17,708.20 = 7,526.06/x
3. Step 3: Cross multiply
   12,829.10x = 17,708.20 × 7,526.06
4. Step 4: Simplify right side
   12,829.10x = 133,272,975.69
5. Step 5: Solve for x
   x = 133,272,975.69/12,829.10
6. Step 6: Final answer
   x = 10,388.33