Finding the Fourth Proportional to 9,046.10, 12,483.78 and 5,067.20

Step by Step Solution

1. Step 1: Write the proportion equation
   9,046.10 : 12,483.78 = 5,067.20 : x
2. Step 2: Convert to fraction form
   9,046.10/12,483.78 = 5,067.20/x
3. Step 3: Cross multiply
   9,046.10x = 12,483.78 × 5,067.20
4. Step 4: Simplify right side
   9,046.10x = 63,257,810.02
5. Step 5: Solve for x
   x = 63,257,810.02/9,046.10
6. Step 6: Final answer
   x = 6,992.83