Finding the Fourth Proportional to 12,527.59, 17,283.78 and 7,146.16

Step by Step Solution

1. Step 1: Write the proportion equation
   12,527.59 : 17,283.78 = 7,146.16 : x
2. Step 2: Convert to fraction form
   12,527.59/17,283.78 = 7,146.16/x
3. Step 3: Cross multiply
   12,527.59x = 17,283.78 × 7,146.16
4. Step 4: Simplify right side
   12,527.59x = 123,512,657.28
5. Step 5: Solve for x
   x = 123,512,657.28/12,527.59
6. Step 6: Final answer
   x = 9,859.25