Finding the Fourth Proportional to 1,231.10, 1,847.17 and 738.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,231.10 : 1,847.17 = 738.46 : x
2. Step 2: Convert to fraction form
   1,231.10/1,847.17 = 738.46/x
3. Step 3: Cross multiply
   1,231.10x = 1,847.17 × 738.46
4. Step 4: Simplify right side
   1,231.10x = 1,364,054.69
5. Step 5: Solve for x
   x = 1,364,054.69/1,231.10
6. Step 6: Final answer
   x = 1,107.99