Finding the Fourth Proportional to 1,376.43, 1,899.83 and 852.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.43 : 1,899.83 = 852.16 : x
2. Step 2: Convert to fraction form
   1,376.43/1,899.83 = 852.16/x
3. Step 3: Cross multiply
   1,376.43x = 1,899.83 × 852.16
4. Step 4: Simplify right side
   1,376.43x = 1,618,959.13
5. Step 5: Solve for x
   x = 1,618,959.13/1,376.43
6. Step 6: Final answer
   x = 1,176.20