Finding the Fourth Proportional to 2,246.50, 3,100.17 and 1,315

Step by Step Solution

1. Step 1: Write the proportion equation
   2,246.50 : 3,100.17 = 1,315 : x
2. Step 2: Convert to fraction form
   2,246.50/3,100.17 = 1,315/x
3. Step 3: Cross multiply
   2,246.50x = 3,100.17 × 1,315
4. Step 4: Simplify right side
   2,246.50x = 4,076,723.55
5. Step 5: Solve for x
   x = 4,076,723.55/2,246.50
6. Step 6: Final answer
   x = 1,814.70