Finding the Fourth Proportional to 12,572.72, 17,345.58 and 7,537.04

Step by Step Solution

1. Step 1: Write the proportion equation
   12,572.72 : 17,345.58 = 7,537.04 : x
2. Step 2: Convert to fraction form
   12,572.72/17,345.58 = 7,537.04/x
3. Step 3: Cross multiply
   12,572.72x = 17,345.58 × 7,537.04
4. Step 4: Simplify right side
   12,572.72x = 130,734,330.28
5. Step 5: Solve for x
   x = 130,734,330.28/12,572.72
6. Step 6: Final answer
   x = 10,398.25