Finding the Fourth Proportional to 119,694.84, 165,180.02 and 65,981.79

Step by Step Solution

1. Step 1: Write the proportion equation
   119,694.84 : 165,180.02 = 65,981.79 : x
2. Step 2: Convert to fraction form
   119,694.84/165,180.02 = 65,981.79/x
3. Step 3: Cross multiply
   119,694.84x = 165,180.02 × 65,981.79
4. Step 4: Simplify right side
   119,694.84x = 10,898,873,061.93
5. Step 5: Solve for x
   x = 10,898,873,061.93/119,694.84
6. Step 6: Final answer
   x = 91,055.50