Finding the Fourth Proportional to 117,960, 162,782.37 and 64,245.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,960 : 162,782.37 = 64,245.96 : x
2. Step 2: Convert to fraction form
   117,960/162,782.37 = 64,245.96/x
3. Step 3: Cross multiply
   117,960x = 162,782.37 × 64,245.96
4. Step 4: Simplify right side
   117,960x = 10,458,109,631.73
5. Step 5: Solve for x
   x = 10,458,109,631.73/117,960
6. Step 6: Final answer
   x = 88,658.10