Finding the Fourth Proportional to 1,336.50, 1,844.42 and 747.21

Step by Step Solution

1. Step 1: Write the proportion equation
   1,336.50 : 1,844.42 = 747.21 : x
2. Step 2: Convert to fraction form
   1,336.50/1,844.42 = 747.21/x
3. Step 3: Cross multiply
   1,336.50x = 1,844.42 × 747.21
4. Step 4: Simplify right side
   1,336.50x = 1,378,165.33
5. Step 5: Solve for x
   x = 1,378,165.33/1,336.50
6. Step 6: Final answer
   x = 1,031.17