Finding the Fourth Proportional to 8,754.78, 12,079.41 and 5,350.92

Step by Step Solution

1. Step 1: Write the proportion equation
   8,754.78 : 12,079.41 = 5,350.92 : x
2. Step 2: Convert to fraction form
   8,754.78/12,079.41 = 5,350.92/x
3. Step 3: Cross multiply
   8,754.78x = 12,079.41 × 5,350.92
4. Step 4: Simplify right side
   8,754.78x = 64,635,956.56
5. Step 5: Solve for x
   x = 64,635,956.56/8,754.78
6. Step 6: Final answer
   x = 7,382.93