Finding the Fourth Proportional to 2,184.83, 3,012.99 and 1,438.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,184.83 : 3,012.99 = 1,438.46 : x
2. Step 2: Convert to fraction form
   2,184.83/3,012.99 = 1,438.46/x
3. Step 3: Cross multiply
   2,184.83x = 3,012.99 × 1,438.46
4. Step 4: Simplify right side
   2,184.83x = 4,334,065.60
5. Step 5: Solve for x
   x = 4,334,065.60/2,184.83
6. Step 6: Final answer
   x = 1,983.71