Finding the Fourth Proportional to 117,906.46, 162,713.84 and 64,194.42

Step by Step Solution

1. Step 1: Write the proportion equation
   117,906.46 : 162,713.84 = 64,194.42 : x
2. Step 2: Convert to fraction form
   117,906.46/162,713.84 = 64,194.42/x
3. Step 3: Cross multiply
   117,906.46x = 162,713.84 × 64,194.42
4. Step 4: Simplify right side
   117,906.46x = 10,445,320,584.77
5. Step 5: Solve for x
   x = 10,445,320,584.77/117,906.46
6. Step 6: Final answer
   x = 88,589.89