Finding the Fourth Proportional to 12,527.01, 17,287.55 and 7,149.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.01 : 17,287.55 = 7,149.34 : x
2. Step 2: Convert to fraction form
   12,527.01/17,287.55 = 7,149.34/x
3. Step 3: Cross multiply
   12,527.01x = 17,287.55 × 7,149.34
4. Step 4: Simplify right side
   12,527.01x = 123,594,592.71
5. Step 5: Solve for x
   x = 123,594,592.71/12,527.01
6. Step 6: Final answer
   x = 9,866.25