Finding the Fourth Proportional to 9,993.43, 14,964.52 and 9,697.80

Step by Step Solution

1. Step 1: Write the proportion equation
   9,993.43 : 14,964.52 = 9,697.80 : x
2. Step 2: Convert to fraction form
   9,993.43/14,964.52 = 9,697.80/x
3. Step 3: Cross multiply
   9,993.43x = 14,964.52 × 9,697.80
4. Step 4: Simplify right side
   9,993.43x = 145,122,922.06
5. Step 5: Solve for x
   x = 145,122,922.06/9,993.43
6. Step 6: Final answer
   x = 14,521.83