Finding the Fourth Proportional to 119,687.31, 165,168.51 and 65,973.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,687.31 : 165,168.51 = 65,973.50 : x
2. Step 2: Convert to fraction form
   119,687.31/165,168.51 = 65,973.50/x
3. Step 3: Cross multiply
   119,687.31x = 165,168.51 × 65,973.50
4. Step 4: Simplify right side
   119,687.31x = 10,896,744,364.62
5. Step 5: Solve for x
   x = 10,896,744,364.62/119,687.31
6. Step 6: Final answer
   x = 91,043.44