Finding the Fourth Proportional to 117,654.42, 162,364.37 and 63,940.34

Step by Step Solution

1. Step 1: Write the proportion equation
   117,654.42 : 162,364.37 = 63,940.34 : x
2. Step 2: Convert to fraction form
   117,654.42/162,364.37 = 63,940.34/x
3. Step 3: Cross multiply
   117,654.42x = 162,364.37 × 63,940.34
4. Step 4: Simplify right side
   117,654.42x = 10,381,633,021.69
5. Step 5: Solve for x
   x = 10,381,633,021.69/117,654.42
6. Step 6: Final answer
   x = 88,238.36