Finding the Fourth Proportional to 1,340.88, 1,851.22 and 875.94

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.88 : 1,851.22 = 875.94 : x
2. Step 2: Convert to fraction form
   1,340.88/1,851.22 = 875.94/x
3. Step 3: Cross multiply
   1,340.88x = 1,851.22 × 875.94
4. Step 4: Simplify right side
   1,340.88x = 1,621,557.65
5. Step 5: Solve for x
   x = 1,621,557.65/1,340.88
6. Step 6: Final answer
   x = 1,209.32