Finding the Fourth Proportional to 2,264.32, 3,124.56 and 1,379.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,264.32 : 3,124.56 = 1,379.80 : x
2. Step 2: Convert to fraction form
   2,264.32/3,124.56 = 1,379.80/x
3. Step 3: Cross multiply
   2,264.32x = 3,124.56 × 1,379.80
4. Step 4: Simplify right side
   2,264.32x = 4,311,267.89
5. Step 5: Solve for x
   x = 4,311,267.89/2,264.32
6. Step 6: Final answer
   x = 1,904.00