Finding the Fourth Proportional to 2,331.30, 3,217.83 and 1,375.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,331.30 : 3,217.83 = 1,375.05 : x
2. Step 2: Convert to fraction form
   2,331.30/3,217.83 = 1,375.05/x
3. Step 3: Cross multiply
   2,331.30x = 3,217.83 × 1,375.05
4. Step 4: Simplify right side
   2,331.30x = 4,424,677.14
5. Step 5: Solve for x
   x = 4,424,677.14/2,331.30
6. Step 6: Final answer
   x = 1,897.94