Finding the Fourth Proportional to 9,967.57, 14,951.71 and 3,392.90

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.57 : 14,951.71 = 3,392.90 : x
2. Step 2: Convert to fraction form
   9,967.57/14,951.71 = 3,392.90/x
3. Step 3: Cross multiply
   9,967.57x = 14,951.71 × 3,392.90
4. Step 4: Simplify right side
   9,967.57x = 50,729,623.33
5. Step 5: Solve for x
   x = 50,729,623.33/9,967.57
6. Step 6: Final answer
   x = 5,089.47