Finding the Fourth Proportional to 37,128.86, 55,680.31 and 14,936.48

Step by Step Solution

1. Step 1: Write the proportion equation
   37,128.86 : 55,680.31 = 14,936.48 : x
2. Step 2: Convert to fraction form
   37,128.86/55,680.31 = 14,936.48/x
3. Step 3: Cross multiply
   37,128.86x = 55,680.31 × 14,936.48
4. Step 4: Simplify right side
   37,128.86x = 831,667,836.71
5. Step 5: Solve for x
   x = 831,667,836.71/37,128.86
6. Step 6: Final answer
   x = 22,399.50