Finding the Fourth Proportional to 12,606.42, 17,399.16 and 7,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,606.42 : 17,399.16 = 7,301.76 : x
2. Step 2: Convert to fraction form
   12,606.42/17,399.16 = 7,301.76/x
3. Step 3: Cross multiply
   12,606.42x = 17,399.16 × 7,301.76
4. Step 4: Simplify right side
   12,606.42x = 127,044,490.52
5. Step 5: Solve for x
   x = 127,044,490.52/12,606.42
6. Step 6: Final answer
   x = 10,077.76