Finding the Fourth Proportional to 7,225.34, 10,840.42 and 4,885.24

Step by Step Solution

1. Step 1: Write the proportion equation
   7,225.34 : 10,840.42 = 4,885.24 : x
2. Step 2: Convert to fraction form
   7,225.34/10,840.42 = 4,885.24/x
3. Step 3: Cross multiply
   7,225.34x = 10,840.42 × 4,885.24
4. Step 4: Simplify right side
   7,225.34x = 52,958,053.40
5. Step 5: Solve for x
   x = 52,958,053.40/7,225.34
6. Step 6: Final answer
   x = 7,329.49