Finding the Fourth Proportional to 8,807.50, 12,154.38 and 5,081.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,807.50 : 12,154.38 = 5,081.50 : x
2. Step 2: Convert to fraction form
   8,807.50/12,154.38 = 5,081.50/x
3. Step 3: Cross multiply
   8,807.50x = 12,154.38 × 5,081.50
4. Step 4: Simplify right side
   8,807.50x = 61,762,481.97
5. Step 5: Solve for x
   x = 61,762,481.97/8,807.50
6. Step 6: Final answer
   x = 7,012.49