Finding the Fourth Proportional to 108,399.27, 162,529.47 and 52,127.31

Step by Step Solution

1. Step 1: Write the proportion equation
   108,399.27 : 162,529.47 = 52,127.31 : x
2. Step 2: Convert to fraction form
   108,399.27/162,529.47 = 52,127.31/x
3. Step 3: Cross multiply
   108,399.27x = 162,529.47 × 52,127.31
4. Step 4: Simplify right side
   108,399.27x = 8,472,224,066.83
5. Step 5: Solve for x
   x = 8,472,224,066.83/108,399.27
6. Step 6: Final answer
   x = 78,157.57