Finding the Fourth Proportional to 107,473.35, 161,020.20 and 65,267.31

Step by Step Solution

1. Step 1: Write the proportion equation
   107,473.35 : 161,020.20 = 65,267.31 : x
2. Step 2: Convert to fraction form
   107,473.35/161,020.20 = 65,267.31/x
3. Step 3: Cross multiply
   107,473.35x = 161,020.20 × 65,267.31
4. Step 4: Simplify right side
   107,473.35x = 10,509,355,309.66
5. Step 5: Solve for x
   x = 10,509,355,309.66/107,473.35
6. Step 6: Final answer
   x = 97,785.69