Finding the Fourth Proportional to 2,085.32, 3,125.37 and 852.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,085.32 : 3,125.37 = 852.05 : x
2. Step 2: Convert to fraction form
   2,085.32/3,125.37 = 852.05/x
3. Step 3: Cross multiply
   2,085.32x = 3,125.37 × 852.05
4. Step 4: Simplify right side
   2,085.32x = 2,662,971.51
5. Step 5: Solve for x
   x = 2,662,971.51/2,085.32
6. Step 6: Final answer
   x = 1,277.01