Finding the Fourth Proportional to 8,016.31, 12,013.55 and 4,507.99

Step by Step Solution

1. Step 1: Write the proportion equation
   8,016.31 : 12,013.55 = 4,507.99 : x
2. Step 2: Convert to fraction form
   8,016.31/12,013.55 = 4,507.99/x
3. Step 3: Cross multiply
   8,016.31x = 12,013.55 × 4,507.99
4. Step 4: Simplify right side
   8,016.31x = 54,156,940.72
5. Step 5: Solve for x
   x = 54,156,940.72/8,016.31
6. Step 6: Final answer
   x = 6,755.84