Finding the Fourth Proportional to 2,248.20, 3,101.08 and 1,807.15

Step by Step Solution

1. Step 1: Write the proportion equation
   2,248.20 : 3,101.08 = 1,807.15 : x
2. Step 2: Convert to fraction form
   2,248.20/3,101.08 = 1,807.15/x
3. Step 3: Cross multiply
   2,248.20x = 3,101.08 × 1,807.15
4. Step 4: Simplify right side
   2,248.20x = 5,604,116.72
5. Step 5: Solve for x
   x = 5,604,116.72/2,248.20
6. Step 6: Final answer
   x = 2,492.71