Finding the Fourth Proportional to 2,264.50, 3,124.47 and 1,319.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.50 : 3,124.47 = 1,319.72 : x
2. Step 2: Convert to fraction form
   2,264.50/3,124.47 = 1,319.72/x
3. Step 3: Cross multiply
   2,264.50x = 3,124.47 × 1,319.72
4. Step 4: Simplify right side
   2,264.50x = 4,123,425.55
5. Step 5: Solve for x
   x = 4,123,425.55/2,264.50
6. Step 6: Final answer
   x = 1,820.90