Finding the Fourth Proportional to 17,072.50, 25,611.63 and 7,216.42

Step by Step Solution

1. Step 1: Write the proportion equation
   17,072.50 : 25,611.63 = 7,216.42 : x
2. Step 2: Convert to fraction form
   17,072.50/25,611.63 = 7,216.42/x
3. Step 3: Cross multiply
   17,072.50x = 25,611.63 × 7,216.42
4. Step 4: Simplify right side
   17,072.50x = 184,824,278.96
5. Step 5: Solve for x
   x = 184,824,278.96/17,072.50
6. Step 6: Final answer
   x = 10,825.85