Finding the Fourth Proportional to 1,336.20, 1,843.82 and 746.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.20 : 1,843.82 = 746.72 : x
2. Step 2: Convert to fraction form
   1,336.20/1,843.82 = 746.72/x
3. Step 3: Cross multiply
   1,336.20x = 1,843.82 × 746.72
4. Step 4: Simplify right side
   1,336.20x = 1,376,817.27
5. Step 5: Solve for x
   x = 1,376,817.27/1,336.20
6. Step 6: Final answer
   x = 1,030.40