Finding the Fourth Proportional to 8,797.50, 12,140.58 and 5,071.50

Step by Step Solution

1. Step 1: Write the proportion equation
   8,797.50 : 12,140.58 = 5,071.50 : x
2. Step 2: Convert to fraction form
   8,797.50/12,140.58 = 5,071.50/x
3. Step 3: Cross multiply
   8,797.50x = 12,140.58 × 5,071.50
4. Step 4: Simplify right side
   8,797.50x = 61,570,951.47
5. Step 5: Solve for x
   x = 61,570,951.47/8,797.50
6. Step 6: Final answer
   x = 6,998.69