Finding the Fourth Proportional to 4,705.32, 7,057.52 and 2,855.94

Step by Step Solution

1. Step 1: Write the proportion equation
   4,705.32 : 7,057.52 = 2,855.94 : x
2. Step 2: Convert to fraction form
   4,705.32/7,057.52 = 2,855.94/x
3. Step 3: Cross multiply
   4,705.32x = 7,057.52 × 2,855.94
4. Step 4: Simplify right side
   4,705.32x = 20,155,853.67
5. Step 5: Solve for x
   x = 20,155,853.67/4,705.32
6. Step 6: Final answer
   x = 4,283.63