Finding the Fourth Proportional to 1,336.91, 1,845.05 and 747.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.91 : 1,845.05 = 747.56 : x
2. Step 2: Convert to fraction form
   1,336.91/1,845.05 = 747.56/x
3. Step 3: Cross multiply
   1,336.91x = 1,845.05 × 747.56
4. Step 4: Simplify right side
   1,336.91x = 1,379,286.45
5. Step 5: Solve for x
   x = 1,379,286.45/1,336.91
6. Step 6: Final answer
   x = 1,031.70