Finding the Fourth Proportional to 5,091.54, 7,025.88 and 2,853.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,091.54 : 7,025.88 = 2,853.12 : x
2. Step 2: Convert to fraction form
   5,091.54/7,025.88 = 2,853.12/x
3. Step 3: Cross multiply
   5,091.54x = 7,025.88 × 2,853.12
4. Step 4: Simplify right side
   5,091.54x = 20,045,678.75
5. Step 5: Solve for x
   x = 20,045,678.75/5,091.54
6. Step 6: Final answer
   x = 3,937.06