Finding the Fourth Proportional to 1,225.75, 1,837.71 and 738.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.75 : 1,837.71 = 738.69 : x
2. Step 2: Convert to fraction form
   1,225.75/1,837.71 = 738.69/x
3. Step 3: Cross multiply
   1,225.75x = 1,837.71 × 738.69
4. Step 4: Simplify right side
   1,225.75x = 1,357,498.00
5. Step 5: Solve for x
   x = 1,357,498.00/1,225.75
6. Step 6: Final answer
   x = 1,107.48