Finding the Fourth Proportional to 1,208.32, 1,667.94 and 893.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,208.32 : 1,667.94 = 893.43 : x
2. Step 2: Convert to fraction form
   1,208.32/1,667.94 = 893.43/x
3. Step 3: Cross multiply
   1,208.32x = 1,667.94 × 893.43
4. Step 4: Simplify right side
   1,208.32x = 1,490,189.31
5. Step 5: Solve for x
   x = 1,490,189.31/1,208.32
6. Step 6: Final answer
   x = 1,233.28