Finding the Fourth Proportional to 12,527.49, 17,287.89 and 7,149.93

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.49 : 17,287.89 = 7,149.93 : x
2. Step 2: Convert to fraction form
   12,527.49/17,287.89 = 7,149.93/x
3. Step 3: Cross multiply
   12,527.49x = 17,287.89 × 7,149.93
4. Step 4: Simplify right side
   12,527.49x = 123,607,203.35
5. Step 5: Solve for x
   x = 123,607,203.35/12,527.49
6. Step 6: Final answer
   x = 9,866.88