Finding the Fourth Proportional to 7,899.20, 10,901.76 and 5,069.60

Step by Step Solution

1. Step 1: Write the proportion equation
   7,899.20 : 10,901.76 = 5,069.60 : x
2. Step 2: Convert to fraction form
   7,899.20/10,901.76 = 5,069.60/x
3. Step 3: Cross multiply
   7,899.20x = 10,901.76 × 5,069.60
4. Step 4: Simplify right side
   7,899.20x = 55,267,562.50
5. Step 5: Solve for x
   x = 55,267,562.50/7,899.20
6. Step 6: Final answer
   x = 6,996.60