Finding the Fourth Proportional to 8,826.50, 12,180.57 and 5,100.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,826.50 : 12,180.57 = 5,100.50 : x
2. Step 2: Convert to fraction form
   8,826.50/12,180.57 = 5,100.50/x
3. Step 3: Cross multiply
   8,826.50x = 12,180.57 × 5,100.50
4. Step 4: Simplify right side
   8,826.50x = 62,126,997.29
5. Step 5: Solve for x
   x = 62,126,997.29/8,826.50
6. Step 6: Final answer
   x = 7,038.69