Finding the Fourth Proportional to 12,747.02, 17,588.55 and 7,710.53

Step by Step Solution

1. Step 1: Write the proportion equation
   12,747.02 : 17,588.55 = 7,710.53 : x
2. Step 2: Convert to fraction form
   12,747.02/17,588.55 = 7,710.53/x
3. Step 3: Cross multiply
   12,747.02x = 17,588.55 × 7,710.53
4. Step 4: Simplify right side
   12,747.02x = 135,617,042.43
5. Step 5: Solve for x
   x = 135,617,042.43/12,747.02
6. Step 6: Final answer
   x = 10,639.12