Finding the Fourth Proportional to 12,863.34, 17,751.24 and 7,274.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,863.34 : 17,751.24 = 7,274.34 : x
2. Step 2: Convert to fraction form
   12,863.34/17,751.24 = 7,274.34/x
3. Step 3: Cross multiply
   12,863.34x = 17,751.24 × 7,274.34
4. Step 4: Simplify right side
   12,863.34x = 129,128,555.18
5. Step 5: Solve for x
   x = 129,128,555.18/12,863.34
6. Step 6: Final answer
   x = 10,038.49