Finding the Fourth Proportional to 9,049.78, 12,488.82 and 5,904.16

Step by Step Solution

1. Step 1: Write the proportion equation
   9,049.78 : 12,488.82 = 5,904.16 : x
2. Step 2: Convert to fraction form
   9,049.78/12,488.82 = 5,904.16/x
3. Step 3: Cross multiply
   9,049.78x = 12,488.82 × 5,904.16
4. Step 4: Simplify right side
   9,049.78x = 73,735,991.49
5. Step 5: Solve for x
   x = 73,735,991.49/9,049.78
6. Step 6: Final answer
   x = 8,147.82