Finding the Fourth Proportional to 12,426.63, 17,148.50 and 6,761.49

Step by Step Solution

1. Step 1: Write the proportion equation
   12,426.63 : 17,148.50 = 6,761.49 : x
2. Step 2: Convert to fraction form
   12,426.63/17,148.50 = 6,761.49/x
3. Step 3: Cross multiply
   12,426.63x = 17,148.50 × 6,761.49
4. Step 4: Simplify right side
   12,426.63x = 115,949,377.46
5. Step 5: Solve for x
   x = 115,949,377.46/12,426.63
6. Step 6: Final answer
   x = 9,330.72