Finding the Fourth Proportional to 117,722.16, 162,456.98 and 64,007.01

Step by Step Solution

1. Step 1: Write the proportion equation
   117,722.16 : 162,456.98 = 64,007.01 : x
2. Step 2: Convert to fraction form
   117,722.16/162,456.98 = 64,007.01/x
3. Step 3: Cross multiply
   117,722.16x = 162,456.98 × 64,007.01
4. Step 4: Simplify right side
   117,722.16x = 10,398,385,223.39
5. Step 5: Solve for x
   x = 10,398,385,223.39/117,722.16
6. Step 6: Final answer
   x = 88,329.89