Finding the Fourth Proportional to 1,422.73, 2,134.39 and 498.32

Step by Step Solution

1. Step 1: Write the proportion equation
   1,422.73 : 2,134.39 = 498.32 : x
2. Step 2: Convert to fraction form
   1,422.73/2,134.39 = 498.32/x
3. Step 3: Cross multiply
   1,422.73x = 2,134.39 × 498.32
4. Step 4: Simplify right side
   1,422.73x = 1,063,598.55
5. Step 5: Solve for x
   x = 1,063,598.55/1,422.73
6. Step 6: Final answer
   x = 747.58