Finding the Fourth Proportional to 12,525.67, 17,287.32 and 7,148.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,525.67 : 17,287.32 = 7,148.08 : x
2. Step 2: Convert to fraction form
   12,525.67/17,287.32 = 7,148.08/x
3. Step 3: Cross multiply
   12,525.67x = 17,287.32 × 7,148.08
4. Step 4: Simplify right side
   12,525.67x = 123,571,194.76
5. Step 5: Solve for x
   x = 123,571,194.76/12,525.67
6. Step 6: Final answer
   x = 9,865.43