Finding the Fourth Proportional to 12,881.62, 17,776.61 and 7,293.14

Step by Step Solution

1. Step 1: Write the proportion equation
   12,881.62 : 17,776.61 = 7,293.14 : x
2. Step 2: Convert to fraction form
   12,881.62/17,776.61 = 7,293.14/x
3. Step 3: Cross multiply
   12,881.62x = 17,776.61 × 7,293.14
4. Step 4: Simplify right side
   12,881.62x = 129,647,305.46
5. Step 5: Solve for x
   x = 129,647,305.46/12,881.62
6. Step 6: Final answer
   x = 10,064.52