Finding the Fourth Proportional to 107,105.48, 160,691.79 and 64,457.45

Step by Step Solution

1. Step 1: Write the proportion equation
   107,105.48 : 160,691.79 = 64,457.45 : x
2. Step 2: Convert to fraction form
   107,105.48/160,691.79 = 64,457.45/x
3. Step 3: Cross multiply
   107,105.48x = 160,691.79 × 64,457.45
4. Step 4: Simplify right side
   107,105.48x = 10,357,783,019.34
5. Step 5: Solve for x
   x = 10,357,783,019.34/107,105.48
6. Step 6: Final answer
   x = 96,706.38