Finding the Fourth Proportional to 4,225.10, 5,830.92 and 3,111.12

Step by Step Solution

1. Step 1: Write the proportion equation
   4,225.10 : 5,830.92 = 3,111.12 : x
2. Step 2: Convert to fraction form
   4,225.10/5,830.92 = 3,111.12/x
3. Step 3: Cross multiply
   4,225.10x = 5,830.92 × 3,111.12
4. Step 4: Simplify right side
   4,225.10x = 18,140,691.83
5. Step 5: Solve for x
   x = 18,140,691.83/4,225.10
6. Step 6: Final answer
   x = 4,293.56