Finding the Fourth Proportional to 1,114.52, 1,671.67 and 498.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,114.52 : 1,671.67 = 498.71 : x
2. Step 2: Convert to fraction form
   1,114.52/1,671.67 = 498.71/x
3. Step 3: Cross multiply
   1,114.52x = 1,671.67 × 498.71
4. Step 4: Simplify right side
   1,114.52x = 833,683.35
5. Step 5: Solve for x
   x = 833,683.35/1,114.52
6. Step 6: Final answer
   x = 748.02