Finding the Fourth Proportional to 1,293.30, 1,784.72 and 733.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,293.30 : 1,784.72 = 733.76 : x
2. Step 2: Convert to fraction form
   1,293.30/1,784.72 = 733.76/x
3. Step 3: Cross multiply
   1,293.30x = 1,784.72 × 733.76
4. Step 4: Simplify right side
   1,293.30x = 1,309,556.15
5. Step 5: Solve for x
   x = 1,309,556.15/1,293.30
6. Step 6: Final answer
   x = 1,012.57