Finding the Fourth Proportional to 117,834.54, 162,609.01 and 64,119.71

Step by Step Solution

1. Step 1: Write the proportion equation
   117,834.54 : 162,609.01 = 64,119.71 : x
2. Step 2: Convert to fraction form
   117,834.54/162,609.01 = 64,119.71/x
3. Step 3: Cross multiply
   117,834.54x = 162,609.01 × 64,119.71
4. Step 4: Simplify right side
   117,834.54x = 10,426,441,591.24
5. Step 5: Solve for x
   x = 10,426,441,591.24/117,834.54
6. Step 6: Final answer
   x = 88,483.75