Finding the Fourth Proportional to 1,422.52, 2,134.33 and 498.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.52 : 2,134.33 = 498.18 : x
2. Step 2: Convert to fraction form
   1,422.52/2,134.33 = 498.18/x
3. Step 3: Cross multiply
   1,422.52x = 2,134.33 × 498.18
4. Step 4: Simplify right side
   1,422.52x = 1,063,280.52
5. Step 5: Solve for x
   x = 1,063,280.52/1,422.52
6. Step 6: Final answer
   x = 747.46