Finding the Fourth Proportional to 2,321.38, 3,203.61 and 1,376.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,321.38 : 3,203.61 = 1,376.96 : x
2. Step 2: Convert to fraction form
   2,321.38/3,203.61 = 1,376.96/x
3. Step 3: Cross multiply
   2,321.38x = 3,203.61 × 1,376.96
4. Step 4: Simplify right side
   2,321.38x = 4,411,242.83
5. Step 5: Solve for x
   x = 4,411,242.83/2,321.38
6. Step 6: Final answer
   x = 1,900.27