Finding the Fourth Proportional to 2,139.82, 2,952.12 and 1,341.75

Step by Step Solution

1. Step 1: Write the proportion equation
   2,139.82 : 2,952.12 = 1,341.75 : x
2. Step 2: Convert to fraction form
   2,139.82/2,952.12 = 1,341.75/x
3. Step 3: Cross multiply
   2,139.82x = 2,952.12 × 1,341.75
4. Step 4: Simplify right side
   2,139.82x = 3,961,007.01
5. Step 5: Solve for x
   x = 3,961,007.01/2,139.82
6. Step 6: Final answer
   x = 1,851.09