Finding the Fourth Proportional to 5,185.19, 7,155.56 and 2,827.34

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.19 : 7,155.56 = 2,827.34 : x
2. Step 2: Convert to fraction form
   5,185.19/7,155.56 = 2,827.34/x
3. Step 3: Cross multiply
   5,185.19x = 7,155.56 × 2,827.34
4. Step 4: Simplify right side
   5,185.19x = 20,231,201.01
5. Step 5: Solve for x
   x = 20,231,201.01/5,185.19
6. Step 6: Final answer
   x = 3,901.73