Finding the Fourth Proportional to 7,200.79, 10,801.64 and 2,270.62

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.79 : 10,801.64 = 2,270.62 : x
2. Step 2: Convert to fraction form
   7,200.79/10,801.64 = 2,270.62/x
3. Step 3: Cross multiply
   7,200.79x = 10,801.64 × 2,270.62
4. Step 4: Simplify right side
   7,200.79x = 24,526,419.82
5. Step 5: Solve for x
   x = 24,526,419.82/7,200.79
6. Step 6: Final answer
   x = 3,406.07