Finding the Fourth Proportional to 1,439.82, 1,984.32 and 1,046.16

Step by Step Solution

1. Step 1: Write the proportion equation
   1,439.82 : 1,984.32 = 1,046.16 : x
2. Step 2: Convert to fraction form
   1,439.82/1,984.32 = 1,046.16/x
3. Step 3: Cross multiply
   1,439.82x = 1,984.32 × 1,046.16
4. Step 4: Simplify right side
   1,439.82x = 2,075,916.21
5. Step 5: Solve for x
   x = 2,075,916.21/1,439.82
6. Step 6: Final answer
   x = 1,441.79