Finding the Fourth Proportional to 117,723.05, 162,456.66 and 64,008.06

Step by Step Solution

1. Step 1: Write the proportion equation
   117,723.05 : 162,456.66 = 64,008.06 : x
2. Step 2: Convert to fraction form
   117,723.05/162,456.66 = 64,008.06/x
3. Step 3: Cross multiply
   117,723.05x = 162,456.66 × 64,008.06
4. Step 4: Simplify right side
   117,723.05x = 10,398,536,249.89
5. Step 5: Solve for x
   x = 10,398,536,249.89/117,723.05
6. Step 6: Final answer
   x = 88,330.50