Finding the Fourth Proportional to 12,936.95, 19,387.89 and 5,908.27

Step by Step Solution

1. Step 1: Write the proportion equation
   12,936.95 : 19,387.89 = 5,908.27 : x
2. Step 2: Convert to fraction form
   12,936.95/19,387.89 = 5,908.27/x
3. Step 3: Cross multiply
   12,936.95x = 19,387.89 × 5,908.27
4. Step 4: Simplify right side
   12,936.95x = 114,548,840.38
5. Step 5: Solve for x
   x = 114,548,840.38/12,936.95
6. Step 6: Final answer
   x = 8,854.39