Finding the Fourth Proportional to 17,071.76, 25,610.31 and 7,211.09

Step by Step Solution

1. Step 1: Write the proportion equation
   17,071.76 : 25,610.31 = 7,211.09 : x
2. Step 2: Convert to fraction form
   17,071.76/25,610.31 = 7,211.09/x
3. Step 3: Cross multiply
   17,071.76x = 25,610.31 × 7,211.09
4. Step 4: Simplify right side
   17,071.76x = 184,678,314.36
5. Step 5: Solve for x
   x = 184,678,314.36/17,071.76
6. Step 6: Final answer
   x = 10,817.76