Finding the Fourth Proportional to 12,270.89, 16,933.35 and 7,235.33

Step by Step Solution

1. Step 1: Write the proportion equation
   12,270.89 : 16,933.35 = 7,235.33 : x
2. Step 2: Convert to fraction form
   12,270.89/16,933.35 = 7,235.33/x
3. Step 3: Cross multiply
   12,270.89x = 16,933.35 × 7,235.33
4. Step 4: Simplify right side
   12,270.89x = 122,518,317.72
5. Step 5: Solve for x
   x = 122,518,317.72/12,270.89
6. Step 6: Final answer
   x = 9,984.47