Finding the Fourth Proportional to 117,727.46, 162,463.05 and 64,012.51

Step by Step Solution

1. Step 1: Write the proportion equation
   117,727.46 : 162,463.05 = 64,012.51 : x
2. Step 2: Convert to fraction form
   117,727.46/162,463.05 = 64,012.51/x
3. Step 3: Cross multiply
   117,727.46x = 162,463.05 × 64,012.51
4. Step 4: Simplify right side
   117,727.46x = 10,399,667,815.83
5. Step 5: Solve for x
   x = 10,399,667,815.83/117,727.46
6. Step 6: Final answer
   x = 88,336.81