Finding the Fourth Proportional to 1,490.32, 2,233.86 and 841.24

Step by Step Solution

1. Step 1: Write the proportion equation
   1,490.32 : 2,233.86 = 841.24 : x
2. Step 2: Convert to fraction form
   1,490.32/2,233.86 = 841.24/x
3. Step 3: Cross multiply
   1,490.32x = 2,233.86 × 841.24
4. Step 4: Simplify right side
   1,490.32x = 1,879,212.39
5. Step 5: Solve for x
   x = 1,879,212.39/1,490.32
6. Step 6: Final answer
   x = 1,260.95