Finding the Fourth Proportional to 1,225.69, 1,837.62 and 403.47

Step by Step Solution

1. Step 1: Write the proportion equation
   1,225.69 : 1,837.62 = 403.47 : x
2. Step 2: Convert to fraction form
   1,225.69/1,837.62 = 403.47/x
3. Step 3: Cross multiply
   1,225.69x = 1,837.62 × 403.47
4. Step 4: Simplify right side
   1,225.69x = 741,424.54
5. Step 5: Solve for x
   x = 741,424.54/1,225.69
6. Step 6: Final answer
   x = 604.91