Finding the Fourth Proportional to 12,610.72, 17,402.70 and 7,305.42

Step by Step Solution

1. Step 1: Write the proportion equation
   12,610.72 : 17,402.70 = 7,305.42 : x
2. Step 2: Convert to fraction form
   12,610.72/17,402.70 = 7,305.42/x
3. Step 3: Cross multiply
   12,610.72x = 17,402.70 × 7,305.42
4. Step 4: Simplify right side
   12,610.72x = 127,134,032.63
5. Step 5: Solve for x
   x = 127,134,032.63/12,610.72
6. Step 6: Final answer
   x = 10,081.43