Finding the Fourth Proportional to 9,989.34, 14,978.25 and 4,150.14

Step by Step Solution

1. Step 1: Write the proportion equation
   9,989.34 : 14,978.25 = 4,150.14 : x
2. Step 2: Convert to fraction form
   9,989.34/14,978.25 = 4,150.14/x
3. Step 3: Cross multiply
   9,989.34x = 14,978.25 × 4,150.14
4. Step 4: Simplify right side
   9,989.34x = 62,161,834.46
5. Step 5: Solve for x
   x = 62,161,834.46/9,989.34
6. Step 6: Final answer
   x = 6,222.82