Finding the Fourth Proportional to 119,636.83, 165,106.18 and 65,921.83

Step by Step Solution

1. Step 1: Write the proportion equation
   119,636.83 : 165,106.18 = 65,921.83 : x
2. Step 2: Convert to fraction form
   119,636.83/165,106.18 = 65,921.83/x
3. Step 3: Cross multiply
   119,636.83x = 165,106.18 × 65,921.83
4. Step 4: Simplify right side
   119,636.83x = 10,884,102,128.27
5. Step 5: Solve for x
   x = 10,884,102,128.27/119,636.83
6. Step 6: Final answer
   x = 90,976.18