Finding the Fourth Proportional to 1,499.34, 2,248.92 and 403.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,499.34 : 2,248.92 = 403.86 : x
2. Step 2: Convert to fraction form
   1,499.34/2,248.92 = 403.86/x
3. Step 3: Cross multiply
   1,499.34x = 2,248.92 × 403.86
4. Step 4: Simplify right side
   1,499.34x = 908,248.83
5. Step 5: Solve for x
   x = 908,248.83/1,499.34
6. Step 6: Final answer
   x = 605.77