Finding the Fourth Proportional to 3,753.30, 5,179.71 and 2,492.18

Step by Step Solution

1. Step 1: Write the proportion equation
   3,753.30 : 5,179.71 = 2,492.18 : x
2. Step 2: Convert to fraction form
   3,753.30/5,179.71 = 2,492.18/x
3. Step 3: Cross multiply
   3,753.30x = 5,179.71 × 2,492.18
4. Step 4: Simplify right side
   3,753.30x = 12,908,780.65
5. Step 5: Solve for x
   x = 12,908,780.65/3,753.30
6. Step 6: Final answer
   x = 3,439.31