Finding the Fourth Proportional to 1,337.33, 1,845.42 and 747.79

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.33 : 1,845.42 = 747.79 : x
2. Step 2: Convert to fraction form
   1,337.33/1,845.42 = 747.79/x
3. Step 3: Cross multiply
   1,337.33x = 1,845.42 × 747.79
4. Step 4: Simplify right side
   1,337.33x = 1,379,979.20
5. Step 5: Solve for x
   x = 1,379,979.20/1,337.33
6. Step 6: Final answer
   x = 1,031.89