Finding the Fourth Proportional to 5,492.25, 8,186.22 and 5,172.71

Step by Step Solution

1. Step 1: Write the proportion equation
   5,492.25 : 8,186.22 = 5,172.71 : x
2. Step 2: Convert to fraction form
   5,492.25/8,186.22 = 5,172.71/x
3. Step 3: Cross multiply
   5,492.25x = 8,186.22 × 5,172.71
4. Step 4: Simplify right side
   5,492.25x = 42,344,901.13
5. Step 5: Solve for x
   x = 42,344,901.13/5,492.25
6. Step 6: Final answer
   x = 7,709.94