Finding the Fourth Proportional to 8,745.50, 12,068.91 and 5,019.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,745.50 : 12,068.91 = 5,019.50 : x
2. Step 2: Convert to fraction form
   8,745.50/12,068.91 = 5,019.50/x
3. Step 3: Cross multiply
   8,745.50x = 12,068.91 × 5,019.50
4. Step 4: Simplify right side
   8,745.50x = 60,579,893.75
5. Step 5: Solve for x
   x = 60,579,893.75/8,745.50
6. Step 6: Final answer
   x = 6,926.98