Finding the Fourth Proportional to 12,512.49, 17,264.84 and 7,134.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,512.49 : 17,264.84 = 7,134.83 : x
2. Step 2: Convert to fraction form
   12,512.49/17,264.84 = 7,134.83/x
3. Step 3: Cross multiply
   12,512.49x = 17,264.84 × 7,134.83
4. Step 4: Simplify right side
   12,512.49x = 123,181,576.38
5. Step 5: Solve for x
   x = 123,181,576.38/12,512.49
6. Step 6: Final answer
   x = 9,844.69