Finding the Fourth Proportional to 118,174.50, 163,081.32 and 64,460.68

Step by Step Solution

1. Step 1: Write the proportion equation
   118,174.50 : 163,081.32 = 64,460.68 : x
2. Step 2: Convert to fraction form
   118,174.50/163,081.32 = 64,460.68/x
3. Step 3: Cross multiply
   118,174.50x = 163,081.32 × 64,460.68
4. Step 4: Simplify right side
   118,174.50x = 10,512,332,782.50
5. Step 5: Solve for x
   x = 10,512,332,782.50/118,174.50
6. Step 6: Final answer
   x = 88,956.02