Finding the Fourth Proportional to 16,150.68, 22,300.38 and 13,020.84

Step by Step Solution

1. Step 1: Write the proportion equation
   16,150.68 : 22,300.38 = 13,020.84 : x
2. Step 2: Convert to fraction form
   16,150.68/22,300.38 = 13,020.84/x
3. Step 3: Cross multiply
   16,150.68x = 22,300.38 × 13,020.84
4. Step 4: Simplify right side
   16,150.68x = 290,369,679.92
5. Step 5: Solve for x
   x = 290,369,679.92/16,150.68
6. Step 6: Final answer
   x = 17,978.79