Finding the Fourth Proportional to 15,333.38, 21,156.24 and 9,362.84

Step by Step Solution

1. Step 1: Write the proportion equation
   15,333.38 : 21,156.24 = 9,362.84 : x
2. Step 2: Convert to fraction form
   15,333.38/21,156.24 = 9,362.84/x
3. Step 3: Cross multiply
   15,333.38x = 21,156.24 × 9,362.84
4. Step 4: Simplify right side
   15,333.38x = 198,082,490.12
5. Step 5: Solve for x
   x = 198,082,490.12/15,333.38
6. Step 6: Final answer
   x = 12,918.38