Finding the Fourth Proportional to 5,185.01, 7,155.30 and 2,827.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.01 : 7,155.30 = 2,827.15 : x
2. Step 2: Convert to fraction form
   5,185.01/7,155.30 = 2,827.15/x
3. Step 3: Cross multiply
   5,185.01x = 7,155.30 × 2,827.15
4. Step 4: Simplify right side
   5,185.01x = 20,229,088.51
5. Step 5: Solve for x
   x = 20,229,088.51/5,185.01
6. Step 6: Final answer
   x = 3,901.46