Finding the Fourth Proportional to 2,264.32, 3,124.16 and 1,380.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.32 : 3,124.16 = 1,380.48 : x
2. Step 2: Convert to fraction form
   2,264.32/3,124.16 = 1,380.48/x
3. Step 3: Cross multiply
   2,264.32x = 3,124.16 × 1,380.48
4. Step 4: Simplify right side
   2,264.32x = 4,312,840.40
5. Step 5: Solve for x
   x = 4,312,840.40/2,264.32
6. Step 6: Final answer
   x = 1,904.70