Finding the Fourth Proportional to 115,096.64, 158,830.94 and 64,109.24

Step by Step Solution

1. Step 1: Write the proportion equation
   115,096.64 : 158,830.94 = 64,109.24 : x
2. Step 2: Convert to fraction form
   115,096.64/158,830.94 = 64,109.24/x
3. Step 3: Cross multiply
   115,096.64x = 158,830.94 × 64,109.24
4. Step 4: Simplify right side
   115,096.64x = 10,182,530,851.89
5. Step 5: Solve for x
   x = 10,182,530,851.89/115,096.64
6. Step 6: Final answer
   x = 88,469.40