Finding the Fourth Proportional to 1,940.89, 2,675.96 and 1,310.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,940.89 : 2,675.96 = 1,310.99 : x
2. Step 2: Convert to fraction form
   1,940.89/2,675.96 = 1,310.99/x
3. Step 3: Cross multiply
   1,940.89x = 2,675.96 × 1,310.99
4. Step 4: Simplify right side
   1,940.89x = 3,508,145.47
5. Step 5: Solve for x
   x = 3,508,145.47/1,940.89
6. Step 6: Final answer
   x = 1,807.50