Finding the Fourth Proportional to 119,659.58, 165,131.34 and 65,946.56

Step by Step Solution

1. Step 1: Write the proportion equation
   119,659.58 : 165,131.34 = 65,946.56 : x
2. Step 2: Convert to fraction form
   119,659.58/165,131.34 = 65,946.56/x
3. Step 3: Cross multiply
   119,659.58x = 165,131.34 × 65,946.56
4. Step 4: Simplify right side
   119,659.58x = 10,889,843,821.19
5. Step 5: Solve for x
   x = 10,889,843,821.19/119,659.58
6. Step 6: Final answer
   x = 91,006.87