Finding the Fourth Proportional to 2,263.59, 3,124.31 and 1,379.88

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.59 : 3,124.31 = 1,379.88 : x
2. Step 2: Convert to fraction form
   2,263.59/3,124.31 = 1,379.88/x
3. Step 3: Cross multiply
   2,263.59x = 3,124.31 × 1,379.88
4. Step 4: Simplify right side
   2,263.59x = 4,311,172.88
5. Step 5: Solve for x
   x = 4,311,172.88/2,263.59
6. Step 6: Final answer
   x = 1,904.57