Finding the Fourth Proportional to 17,071.50, 25,610.13 and 7,215.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.50 : 25,610.13 = 7,215.42 : x
2. Step 2: Convert to fraction form
   17,071.50/25,610.13 = 7,215.42/x
3. Step 3: Cross multiply
   17,071.50x = 25,610.13 × 7,215.42
4. Step 4: Simplify right side
   17,071.50x = 184,787,844.20
5. Step 5: Solve for x
   x = 184,787,844.20/17,071.50
6. Step 6: Final answer
   x = 10,824.35