Finding the Fourth Proportional to 119,701.54, 165,180.72 and 65,983.78

Step by Step Solution

1. Step 1: Write the proportion equation
   119,701.54 : 165,180.72 = 65,983.78 : x
2. Step 2: Convert to fraction form
   119,701.54/165,180.72 = 65,983.78/x
3. Step 3: Cross multiply
   119,701.54x = 165,180.72 × 65,983.78
4. Step 4: Simplify right side
   119,701.54x = 10,899,248,288.72
5. Step 5: Solve for x
   x = 10,899,248,288.72/119,701.54
6. Step 6: Final answer
   x = 91,053.53