Finding the Fourth Proportional to 5,185.23, 7,155.59 and 2,827.32

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.23 : 7,155.59 = 2,827.32 : x
2. Step 2: Convert to fraction form
   5,185.23/7,155.59 = 2,827.32/x
3. Step 3: Cross multiply
   5,185.23x = 7,155.59 × 2,827.32
4. Step 4: Simplify right side
   5,185.23x = 20,231,142.72
5. Step 5: Solve for x
   x = 20,231,142.72/5,185.23
6. Step 6: Final answer
   x = 3,901.69