Finding the Fourth Proportional to 1,343.33, 1,852.09 and 870.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,343.33 : 1,852.09 = 870.41 : x
2. Step 2: Convert to fraction form
   1,343.33/1,852.09 = 870.41/x
3. Step 3: Cross multiply
   1,343.33x = 1,852.09 × 870.41
4. Step 4: Simplify right side
   1,343.33x = 1,612,066.22
5. Step 5: Solve for x
   x = 1,612,066.22/1,343.33
6. Step 6: Final answer
   x = 1,200.05