Finding the Fourth Proportional to 12,783.57, 19,179.98 and 4,464.81

Step by Step Solution

1. Step 1: Write the proportion equation
   12,783.57 : 19,179.98 = 4,464.81 : x
2. Step 2: Convert to fraction form
   12,783.57/19,179.98 = 4,464.81/x
3. Step 3: Cross multiply
   12,783.57x = 19,179.98 × 4,464.81
4. Step 4: Simplify right side
   12,783.57x = 85,634,944.18
5. Step 5: Solve for x
   x = 85,634,944.18/12,783.57
6. Step 6: Final answer
   x = 6,698.83