Finding the Fourth Proportional to 1,230.03, 1,843.23 and 498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   1,230.03 : 1,843.23 = 498.72 : x
2. Step 2: Convert to fraction form
   1,230.03/1,843.23 = 498.72/x
3. Step 3: Cross multiply
   1,230.03x = 1,843.23 × 498.72
4. Step 4: Simplify right side
   1,230.03x = 919,255.67
5. Step 5: Solve for x
   x = 919,255.67/1,230.03
6. Step 6: Final answer
   x = 747.34