Finding the Fourth Proportional to 12,686.01, 17,502.42 and 7,376.46

Step by Step Solution

1. Step 1: Write the proportion equation
   12,686.01 : 17,502.42 = 7,376.46 : x
2. Step 2: Convert to fraction form
   12,686.01/17,502.42 = 7,376.46/x
3. Step 3: Cross multiply
   12,686.01x = 17,502.42 × 7,376.46
4. Step 4: Simplify right side
   12,686.01x = 129,105,901.03
5. Step 5: Solve for x
   x = 129,105,901.03/12,686.01
6. Step 6: Final answer
   x = 10,177.03