Finding the Fourth Proportional to 27,109.38, 37,399.41 and 19,158.42

Step by Step Solution

1. Step 1: Write the proportion equation
   27,109.38 : 37,399.41 = 19,158.42 : x
2. Step 2: Convert to fraction form
   27,109.38/37,399.41 = 19,158.42/x
3. Step 3: Cross multiply
   27,109.38x = 37,399.41 × 19,158.42
4. Step 4: Simplify right side
   27,109.38x = 716,513,604.53
5. Step 5: Solve for x
   x = 716,513,604.53/27,109.38
6. Step 6: Final answer
   x = 26,430.47