Finding the Fourth Proportional to 1,181.86, 1,773.50 and 488.53

Step by Step Solution

1. Step 1: Write the proportion equation
   1,181.86 : 1,773.50 = 488.53 : x
2. Step 2: Convert to fraction form
   1,181.86/1,773.50 = 488.53/x
3. Step 3: Cross multiply
   1,181.86x = 1,773.50 × 488.53
4. Step 4: Simplify right side
   1,181.86x = 866,407.73
5. Step 5: Solve for x
   x = 866,407.73/1,181.86
6. Step 6: Final answer
   x = 733.09