Finding the Fourth Proportional to 1,227.93, 1,842.12 and 498.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,227.93 : 1,842.12 = 498.03 : x
2. Step 2: Convert to fraction form
   1,227.93/1,842.12 = 498.03/x
3. Step 3: Cross multiply
   1,227.93x = 1,842.12 × 498.03
4. Step 4: Simplify right side
   1,227.93x = 917,431.02
5. Step 5: Solve for x
   x = 917,431.02/1,227.93
6. Step 6: Final answer
   x = 747.14