Finding the Fourth Proportional to 2,483.48, 3,719.35 and 2,157.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,483.48 : 3,719.35 = 2,157.10 : x
2. Step 2: Convert to fraction form
   2,483.48/3,719.35 = 2,157.10/x
3. Step 3: Cross multiply
   2,483.48x = 3,719.35 × 2,157.10
4. Step 4: Simplify right side
   2,483.48x = 8,023,003.28
5. Step 5: Solve for x
   x = 8,023,003.28/2,483.48
6. Step 6: Final answer
   x = 3,230.55