Finding the Fourth Proportional to 119,683.72, 165,161.56 and 65,973.73

Step by Step Solution

1. Step 1: Write the proportion equation
   119,683.72 : 165,161.56 = 65,973.73 : x
2. Step 2: Convert to fraction form
   119,683.72/165,161.56 = 65,973.73/x
3. Step 3: Cross multiply
   119,683.72x = 165,161.56 × 65,973.73
4. Step 4: Simplify right side
   119,683.72x = 10,896,325,066.20
5. Step 5: Solve for x
   x = 10,896,325,066.20/119,683.72
6. Step 6: Final answer
   x = 91,042.67