Finding the Fourth Proportional to 1,231.77, 1,847.59 and 744.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231.77 : 1,847.59 = 744.69 : x
2. Step 2: Convert to fraction form
   1,231.77/1,847.59 = 744.69/x
3. Step 3: Cross multiply
   1,231.77x = 1,847.59 × 744.69
4. Step 4: Simplify right side
   1,231.77x = 1,375,879.94
5. Step 5: Solve for x
   x = 1,375,879.94/1,231.77
6. Step 6: Final answer
   x = 1,116.99