Finding the Fourth Proportional to 1,118.82, 1,677.47 and 493.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,118.82 : 1,677.47 = 493.82 : x
2. Step 2: Convert to fraction form
   1,118.82/1,677.47 = 493.82/x
3. Step 3: Cross multiply
   1,118.82x = 1,677.47 × 493.82
4. Step 4: Simplify right side
   1,118.82x = 828,357.38
5. Step 5: Solve for x
   x = 828,357.38/1,118.82
6. Step 6: Final answer
   x = 740.38