Finding the Fourth Proportional to 3,369.78, 5,055.21 and 1,148.82

Step by Step Solution

1. Step 1: Write the proportion equation
   3,369.78 : 5,055.21 = 1,148.82 : x
2. Step 2: Convert to fraction form
   3,369.78/5,055.21 = 1,148.82/x
3. Step 3: Cross multiply
   3,369.78x = 5,055.21 × 1,148.82
4. Step 4: Simplify right side
   3,369.78x = 5,807,526.35
5. Step 5: Solve for x
   x = 5,807,526.35/3,369.78
6. Step 6: Final answer
   x = 1,723.41