Finding the Fourth Proportional to 1,550.76, 2,140.04 and 852.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,550.76 : 2,140.04 = 852.12 : x
2. Step 2: Convert to fraction form
   1,550.76/2,140.04 = 852.12/x
3. Step 3: Cross multiply
   1,550.76x = 2,140.04 × 852.12
4. Step 4: Simplify right side
   1,550.76x = 1,823,570.88
5. Step 5: Solve for x
   x = 1,823,570.88/1,550.76
6. Step 6: Final answer
   x = 1,175.92