Finding the Fourth Proportional to 4,725.50, 7,085.94 and 2,853.32

Step by Step Solution

1. Step 1: Write the proportion equation
   4,725.50 : 7,085.94 = 2,853.32 : x
2. Step 2: Convert to fraction form
   4,725.50/7,085.94 = 2,853.32/x
3. Step 3: Cross multiply
   4,725.50x = 7,085.94 × 2,853.32
4. Step 4: Simplify right side
   4,725.50x = 20,218,454.32
5. Step 5: Solve for x
   x = 20,218,454.32/4,725.50
6. Step 6: Final answer
   x = 4,278.59