Finding the Fourth Proportional to 3,047.78, 4,571.69 and 1,099.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,047.78 : 4,571.69 = 1,099.55 : x
2. Step 2: Convert to fraction form
   3,047.78/4,571.69 = 1,099.55/x
3. Step 3: Cross multiply
   3,047.78x = 4,571.69 × 1,099.55
4. Step 4: Simplify right side
   3,047.78x = 5,026,773.38
5. Step 5: Solve for x
   x = 5,026,773.38/3,047.78
6. Step 6: Final answer
   x = 1,649.33