Finding the Fourth Proportional to 2,037.18, 3,055.78 and 498.18

Step by Step Solution

1. Step 1: Write the proportion equation
   2,037.18 : 3,055.78 = 498.18 : x
2. Step 2: Convert to fraction form
   2,037.18/3,055.78 = 498.18/x
3. Step 3: Cross multiply
   2,037.18x = 3,055.78 × 498.18
4. Step 4: Simplify right side
   2,037.18x = 1,522,328.48
5. Step 5: Solve for x
   x = 1,522,328.48/2,037.18
6. Step 6: Final answer
   x = 747.27