Finding the Fourth Proportional to 12,709.01, 17,537.02 and 7,042.25

Step by Step Solution

1. Step 1: Write the proportion equation
   12,709.01 : 17,537.02 = 7,042.25 : x
2. Step 2: Convert to fraction form
   12,709.01/17,537.02 = 7,042.25/x
3. Step 3: Cross multiply
   12,709.01x = 17,537.02 × 7,042.25
4. Step 4: Simplify right side
   12,709.01x = 123,500,079.10
5. Step 5: Solve for x
   x = 123,500,079.10/12,709.01
6. Step 6: Final answer
   x = 9,717.52