Finding the Fourth Proportional to 9,259.32, 12,777.90 and 5,067.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,259.32 : 12,777.90 = 5,067.96 : x
2. Step 2: Convert to fraction form
   9,259.32/12,777.90 = 5,067.96/x
3. Step 3: Cross multiply
   9,259.32x = 12,777.90 × 5,067.96
4. Step 4: Simplify right side
   9,259.32x = 64,757,886.08
5. Step 5: Solve for x
   x = 64,757,886.08/9,259.32
6. Step 6: Final answer
   x = 6,993.81