Finding the Fourth Proportional to 123,908.63, 185,956.41 and 57,395.42

Step by Step Solution

1. Step 1: Write the proportion equation
   123,908.63 : 185,956.41 = 57,395.42 : x
2. Step 2: Convert to fraction form
   123,908.63/185,956.41 = 57,395.42/x
3. Step 3: Cross multiply
   123,908.63x = 185,956.41 × 57,395.42
4. Step 4: Simplify right side
   123,908.63x = 10,673,046,253.64
5. Step 5: Solve for x
   x = 10,673,046,253.64/123,908.63
6. Step 6: Final answer
   x = 86,136.43