Finding the Fourth Proportional to 2,263.09, 3,123.62 and 1,379.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,263.09 : 3,123.62 = 1,379.38 : x
2. Step 2: Convert to fraction form
   2,263.09/3,123.62 = 1,379.38/x
3. Step 3: Cross multiply
   2,263.09x = 3,123.62 × 1,379.38
4. Step 4: Simplify right side
   2,263.09x = 4,308,658.96
5. Step 5: Solve for x
   x = 4,308,658.96/2,263.09
6. Step 6: Final answer
   x = 1,903.88