Finding the Fourth Proportional to 5,185.74, 7,156.25 and 2,827.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.74 : 7,156.25 = 2,827.88 : x
2. Step 2: Convert to fraction form
   5,185.74/7,156.25 = 2,827.88/x
3. Step 3: Cross multiply
   5,185.74x = 7,156.25 × 2,827.88
4. Step 4: Simplify right side
   5,185.74x = 20,236,966.33
5. Step 5: Solve for x
   x = 20,236,966.33/5,185.74
6. Step 6: Final answer
   x = 3,902.43