Finding the Fourth Proportional to 7,410.52, 10,230.23 and 5,728.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,410.52 : 10,230.23 = 5,728.12 : x
2. Step 2: Convert to fraction form
   7,410.52/10,230.23 = 5,728.12/x
3. Step 3: Cross multiply
   7,410.52x = 10,230.23 × 5,728.12
4. Step 4: Simplify right side
   7,410.52x = 58,599,985.07
5. Step 5: Solve for x
   x = 58,599,985.07/7,410.52
6. Step 6: Final answer
   x = 7,907.68