Finding the Fourth Proportional to 1,384.20, 1,910.18 and 794.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,384.20 : 1,910.18 = 794.72 : x
2. Step 2: Convert to fraction form
   1,384.20/1,910.18 = 794.72/x
3. Step 3: Cross multiply
   1,384.20x = 1,910.18 × 794.72
4. Step 4: Simplify right side
   1,384.20x = 1,518,058.25
5. Step 5: Solve for x
   x = 1,518,058.25/1,384.20
6. Step 6: Final answer
   x = 1,096.70