Finding the Fourth Proportional to 1,083.32, 1,625.27 and 498.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,083.32 : 1,625.27 = 498.69 : x
2. Step 2: Convert to fraction form
   1,083.32/1,625.27 = 498.69/x
3. Step 3: Cross multiply
   1,083.32x = 1,625.27 × 498.69
4. Step 4: Simplify right side
   1,083.32x = 810,503.40
5. Step 5: Solve for x
   x = 810,503.40/1,083.32
6. Step 6: Final answer
   x = 748.17