Finding the Fourth Proportional to 1,667.84, 2,502.72 and 984.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,667.84 : 2,502.72 = 984.32 : x
2. Step 2: Convert to fraction form
   1,667.84/2,502.72 = 984.32/x
3. Step 3: Cross multiply
   1,667.84x = 2,502.72 × 984.32
4. Step 4: Simplify right side
   1,667.84x = 2,463,477.35
5. Step 5: Solve for x
   x = 2,463,477.35/1,667.84
6. Step 6: Final answer
   x = 1,477.05