Finding the Fourth Proportional to 2,247, 3,100.88 and 1,315.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,247 : 3,100.88 = 1,315.52 : x
2. Step 2: Convert to fraction form
   2,247/3,100.88 = 1,315.52/x
3. Step 3: Cross multiply
   2,247x = 3,100.88 × 1,315.52
4. Step 4: Simplify right side
   2,247x = 4,079,269.66
5. Step 5: Solve for x
   x = 4,079,269.66/2,247
6. Step 6: Final answer
   x = 1,815.43