Finding the Fourth Proportional to 115,107.44, 158,811.72 and 64,796.72

Step by Step Solution

1. Step 1: Write the proportion equation
   115,107.44 : 158,811.72 = 64,796.72 : x
2. Step 2: Convert to fraction form
   115,107.44/158,811.72 = 64,796.72/x
3. Step 3: Cross multiply
   115,107.44x = 158,811.72 × 64,796.72
4. Step 4: Simplify right side
   115,107.44x = 10,290,478,553.56
5. Step 5: Solve for x
   x = 10,290,478,553.56/115,107.44
6. Step 6: Final answer
   x = 89,398.90