Finding the Fourth Proportional to 12,603.72, 17,395.24 and 7,301.76

Step by Step Solution

1. Step 1: Write the proportion equation
   12,603.72 : 17,395.24 = 7,301.76 : x
2. Step 2: Convert to fraction form
   12,603.72/17,395.24 = 7,301.76/x
3. Step 3: Cross multiply
   12,603.72x = 17,395.24 × 7,301.76
4. Step 4: Simplify right side
   12,603.72x = 127,015,867.62
5. Step 5: Solve for x
   x = 127,015,867.62/12,603.72
6. Step 6: Final answer
   x = 10,077.65