Finding the Fourth Proportional to 1,228.92, 1,843.52 and 498.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,228.92 : 1,843.52 = 498.52 : x
2. Step 2: Convert to fraction form
   1,228.92/1,843.52 = 498.52/x
3. Step 3: Cross multiply
   1,228.92x = 1,843.52 × 498.52
4. Step 4: Simplify right side
   1,228.92x = 919,031.59
5. Step 5: Solve for x
   x = 919,031.59/1,228.92
6. Step 6: Final answer
   x = 747.84