Finding the Fourth Proportional to 2,264.91, 3,125.89 and 1,380.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.91 : 3,125.89 = 1,380.54 : x
2. Step 2: Convert to fraction form
   2,264.91/3,125.89 = 1,380.54/x
3. Step 3: Cross multiply
   2,264.91x = 3,125.89 × 1,380.54
4. Step 4: Simplify right side
   2,264.91x = 4,315,429.63
5. Step 5: Solve for x
   x = 4,315,429.63/2,264.91
6. Step 6: Final answer
   x = 1,905.34