Finding the Fourth Proportional to 117,799.48, 162,561.60 and 64,084.96

Step by Step Solution

1. Step 1: Write the proportion equation
   117,799.48 : 162,561.60 = 64,084.96 : x
2. Step 2: Convert to fraction form
   117,799.48/162,561.60 = 64,084.96/x
3. Step 3: Cross multiply
   117,799.48x = 162,561.60 × 64,084.96
4. Step 4: Simplify right side
   117,799.48x = 10,417,753,633.54
5. Step 5: Solve for x
   x = 10,417,753,633.54/117,799.48
6. Step 6: Final answer
   x = 88,436.33