Finding the Fourth Proportional to 2,263.78, 3,124.04 and 1,379.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.78 : 3,124.04 = 1,379.43 : x
2. Step 2: Convert to fraction form
   2,263.78/3,124.04 = 1,379.43/x
3. Step 3: Cross multiply
   2,263.78x = 3,124.04 × 1,379.43
4. Step 4: Simplify right side
   2,263.78x = 4,309,387.60
5. Step 5: Solve for x
   x = 4,309,387.60/2,263.78
6. Step 6: Final answer
   x = 1,903.62