Finding the Fourth Proportional to 2,863.34, 4,294.32 and 783.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,863.34 : 4,294.32 = 783.35 : x
2. Step 2: Convert to fraction form
   2,863.34/4,294.32 = 783.35/x
3. Step 3: Cross multiply
   2,863.34x = 4,294.32 × 783.35
4. Step 4: Simplify right side
   2,863.34x = 3,363,955.57
5. Step 5: Solve for x
   x = 3,363,955.57/2,863.34
6. Step 6: Final answer
   x = 1,174.84