Finding the Fourth Proportional to 119,683.92, 165,156.30 and 65,965.98

Step by Step Solution

1. Step 1: Write the proportion equation
   119,683.92 : 165,156.30 = 65,965.98 : x
2. Step 2: Convert to fraction form
   119,683.92/165,156.30 = 65,965.98/x
3. Step 3: Cross multiply
   119,683.92x = 165,156.30 × 65,965.98
4. Step 4: Simplify right side
   119,683.92x = 10,894,697,182.67
5. Step 5: Solve for x
   x = 10,894,697,182.67/119,683.92
6. Step 6: Final answer
   x = 91,028.91