Finding the Fourth Proportional to 9,616.39, 14,398.52 and 4,989.67

Step by Step Solution

1. Step 1: Write the proportion equation
   9,616.39 : 14,398.52 = 4,989.67 : x
2. Step 2: Convert to fraction form
   9,616.39/14,398.52 = 4,989.67/x
3. Step 3: Cross multiply
   9,616.39x = 14,398.52 × 4,989.67
4. Step 4: Simplify right side
   9,616.39x = 71,843,802.34
5. Step 5: Solve for x
   x = 71,843,802.34/9,616.39
6. Step 6: Final answer
   x = 7,470.98