Finding the Fourth Proportional to 17,530.56, 26,294.76 and 7,142.04

Step by Step Solution

1. Step 1: Write the proportion equation
   17,530.56 : 26,294.76 = 7,142.04 : x
2. Step 2: Convert to fraction form
   17,530.56/26,294.76 = 7,142.04/x
3. Step 3: Cross multiply
   17,530.56x = 26,294.76 × 7,142.04
4. Step 4: Simplify right side
   17,530.56x = 187,798,227.71
5. Step 5: Solve for x
   x = 187,798,227.71/17,530.56
6. Step 6: Final answer
   x = 10,712.62