Finding the Fourth Proportional to 118,222.38, 163,145.49 and 64,506.24

Step by Step Solution

1. Step 1: Write the proportion equation
   118,222.38 : 163,145.49 = 64,506.24 : x
2. Step 2: Convert to fraction form
   118,222.38/163,145.49 = 64,506.24/x
3. Step 3: Cross multiply
   118,222.38x = 163,145.49 × 64,506.24
4. Step 4: Simplify right side
   118,222.38x = 10,523,902,132.86
5. Step 5: Solve for x
   x = 10,523,902,132.86/118,222.38
6. Step 6: Final answer
   x = 89,017.85