Finding the Fourth Proportional to 1,731.05, 2,382.83 and 1,310.66

Step by Step Solution

1. Step 1: Write the proportion equation
   1,731.05 : 2,382.83 = 1,310.66 : x
2. Step 2: Convert to fraction form
   1,731.05/2,382.83 = 1,310.66/x
3. Step 3: Cross multiply
   1,731.05x = 2,382.83 × 1,310.66
4. Step 4: Simplify right side
   1,731.05x = 3,123,071.33
5. Step 5: Solve for x
   x = 3,123,071.33/1,731.05
6. Step 6: Final answer
   x = 1,804.15