Finding the Fourth Proportional to 7,200.94, 10,802.31 and 2,817.83

Step by Step Solution

1. Step 1: Write the proportion equation
   7,200.94 : 10,802.31 = 2,817.83 : x
2. Step 2: Convert to fraction form
   7,200.94/10,802.31 = 2,817.83/x
3. Step 3: Cross multiply
   7,200.94x = 10,802.31 × 2,817.83
4. Step 4: Simplify right side
   7,200.94x = 30,439,073.19
5. Step 5: Solve for x
   x = 30,439,073.19/7,200.94
6. Step 6: Final answer
   x = 4,227.10