Finding the Fourth Proportional to 7,262.84, 10,830.48 and 7,200.28

Step by Step Solution

1. Step 1: Write the proportion equation
   7,262.84 : 10,830.48 = 7,200.28 : x
2. Step 2: Convert to fraction form
   7,262.84/10,830.48 = 7,200.28/x
3. Step 3: Cross multiply
   7,262.84x = 10,830.48 × 7,200.28
4. Step 4: Simplify right side
   7,262.84x = 77,982,488.53
5. Step 5: Solve for x
   x = 77,982,488.53/7,262.84
6. Step 6: Final answer
   x = 10,737.19