Finding the Fourth Proportional to 8,056.56, 12,078.76 and 5,283.93

Step by Step Solution

1. Step 1: Write the proportion equation
   8,056.56 : 12,078.76 = 5,283.93 : x
2. Step 2: Convert to fraction form
   8,056.56/12,078.76 = 5,283.93/x
3. Step 3: Cross multiply
   8,056.56x = 12,078.76 × 5,283.93
4. Step 4: Simplify right side
   8,056.56x = 63,823,309.12
5. Step 5: Solve for x
   x = 63,823,309.12/8,056.56
6. Step 6: Final answer
   x = 7,921.91