Finding the Fourth Proportional to 5,862.83, 8,090.72 and 3,210.25

Step by Step Solution

1. Step 1: Write the proportion equation
   5,862.83 : 8,090.72 = 3,210.25 : x
2. Step 2: Convert to fraction form
   5,862.83/8,090.72 = 3,210.25/x
3. Step 3: Cross multiply
   5,862.83x = 8,090.72 × 3,210.25
4. Step 4: Simplify right side
   5,862.83x = 25,973,233.88
5. Step 5: Solve for x
   x = 25,973,233.88/5,862.83
6. Step 6: Final answer
   x = 4,430.15