Finding the Fourth Proportional to 23,978.42, 33,091.17 and 13,369.94

Step by Step Solution

1. Step 1: Write the proportion equation
   23,978.42 : 33,091.17 = 13,369.94 : x
2. Step 2: Convert to fraction form
   23,978.42/33,091.17 = 13,369.94/x
3. Step 3: Cross multiply
   23,978.42x = 33,091.17 × 13,369.94
4. Step 4: Simplify right side
   23,978.42x = 442,426,957.43
5. Step 5: Solve for x
   x = 442,426,957.43/23,978.42
6. Step 6: Final answer
   x = 18,451.05