Finding the Fourth Proportional to 12,461.96, 17,195.54 and 7,426.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,461.96 : 17,195.54 = 7,426.05 : x
2. Step 2: Convert to fraction form
   12,461.96/17,195.54 = 7,426.05/x
3. Step 3: Cross multiply
   12,461.96x = 17,195.54 × 7,426.05
4. Step 4: Simplify right side
   12,461.96x = 127,694,902.69
5. Step 5: Solve for x
   x = 127,694,902.69/12,461.96
6. Step 6: Final answer
   x = 10,246.78