Finding the Fourth Proportional to 3,116.22, 4,300.67 and 2,328.90

Step by Step Solution

1. Step 1: Write the proportion equation
   3,116.22 : 4,300.67 = 2,328.90 : x
2. Step 2: Convert to fraction form
   3,116.22/4,300.67 = 2,328.90/x
3. Step 3: Cross multiply
   3,116.22x = 4,300.67 × 2,328.90
4. Step 4: Simplify right side
   3,116.22x = 10,015,830.36
5. Step 5: Solve for x
   x = 10,015,830.36/3,116.22
6. Step 6: Final answer
   x = 3,214.10