Finding the Fourth Proportional to 1,376.55, 1,899.99 and 852.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.55 : 1,899.99 = 852.27 : x
2. Step 2: Convert to fraction form
   1,376.55/1,899.99 = 852.27/x
3. Step 3: Cross multiply
   1,376.55x = 1,899.99 × 852.27
4. Step 4: Simplify right side
   1,376.55x = 1,619,304.48
5. Step 5: Solve for x
   x = 1,619,304.48/1,376.55
6. Step 6: Final answer
   x = 1,176.35