Finding the Fourth Proportional to 28,233, 42,351.93 and 7,456.50

Step by Step Solution

1. Step 1: Write the proportion equation
   28,233 : 42,351.93 = 7,456.50 : x
2. Step 2: Convert to fraction form
   28,233/42,351.93 = 7,456.50/x
3. Step 3: Cross multiply
   28,233x = 42,351.93 × 7,456.50
4. Step 4: Simplify right side
   28,233x = 315,797,166.05
5. Step 5: Solve for x
   x = 315,797,166.05/28,233
6. Step 6: Final answer
   x = 11,185.39