Finding the Fourth Proportional to 2,002.32, 2,763.11 and 1,216.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,002.32 : 2,763.11 = 1,216.82 : x
2. Step 2: Convert to fraction form
   2,002.32/2,763.11 = 1,216.82/x
3. Step 3: Cross multiply
   2,002.32x = 2,763.11 × 1,216.82
4. Step 4: Simplify right side
   2,002.32x = 3,362,217.46
5. Step 5: Solve for x
   x = 3,362,217.46/2,002.32
6. Step 6: Final answer
   x = 1,679.16