Finding the Fourth Proportional to 14,067.04, 19,411.72 and 7,779

Step by Step Solution

1. Step 1: Write the proportion equation
   14,067.04 : 19,411.72 = 7,779 : x
2. Step 2: Convert to fraction form
   14,067.04/19,411.72 = 7,779/x
3. Step 3: Cross multiply
   14,067.04x = 19,411.72 × 7,779
4. Step 4: Simplify right side
   14,067.04x = 151,003,769.88
5. Step 5: Solve for x
   x = 151,003,769.88/14,067.04
6. Step 6: Final answer
   x = 10,734.58