Finding the Fourth Proportional to 5,185.42, 7,155.84 and 2,827.54

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.42 : 7,155.84 = 2,827.54 : x
2. Step 2: Convert to fraction form
   5,185.42/7,155.84 = 2,827.54/x
3. Step 3: Cross multiply
   5,185.42x = 7,155.84 × 2,827.54
4. Step 4: Simplify right side
   5,185.42x = 20,233,423.83
5. Step 5: Solve for x
   x = 20,233,423.83/5,185.42
6. Step 6: Final answer
   x = 3,901.98