Finding the Fourth Proportional to 2,574.17, 3,828.13 and 2,492.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,574.17 : 3,828.13 = 2,492.15 : x
2. Step 2: Convert to fraction form
   2,574.17/3,828.13 = 2,492.15/x
3. Step 3: Cross multiply
   2,574.17x = 3,828.13 × 2,492.15
4. Step 4: Simplify right side
   2,574.17x = 9,540,297.88
5. Step 5: Solve for x
   x = 9,540,297.88/2,574.17
6. Step 6: Final answer
   x = 3,706.17