Finding the Fourth Proportional to 33,061.38, 49,599.72 and 9,689.64

Step by Step Solution

1. Step 1: Write the proportion equation
   33,061.38 : 49,599.72 = 9,689.64 : x
2. Step 2: Convert to fraction form
   33,061.38/49,599.72 = 9,689.64/x
3. Step 3: Cross multiply
   33,061.38x = 49,599.72 × 9,689.64
4. Step 4: Simplify right side
   33,061.38x = 480,603,430.90
5. Step 5: Solve for x
   x = 480,603,430.90/33,061.38
6. Step 6: Final answer
   x = 14,536.70