Finding the Fourth Proportional to 1,376.77, 1,899.03 and 852.25

Step by Step Solution

1. Step 1: Write the proportion equation
   1,376.77 : 1,899.03 = 852.25 : x
2. Step 2: Convert to fraction form
   1,376.77/1,899.03 = 852.25/x
3. Step 3: Cross multiply
   1,376.77x = 1,899.03 × 852.25
4. Step 4: Simplify right side
   1,376.77x = 1,618,448.32
5. Step 5: Solve for x
   x = 1,618,448.32/1,376.77
6. Step 6: Final answer
   x = 1,175.54