Finding the Fourth Proportional to 119,689.59, 165,179.01 and 65,974.47

Step by Step Solution

1. Step 1: Write the proportion equation
   119,689.59 : 165,179.01 = 65,974.47 : x
2. Step 2: Convert to fraction form
   119,689.59/165,179.01 = 65,974.47/x
3. Step 3: Cross multiply
   119,689.59x = 165,179.01 × 65,974.47
4. Step 4: Simplify right side
   119,689.59x = 10,897,598,196.99
5. Step 5: Solve for x
   x = 10,897,598,196.99/119,689.59
6. Step 6: Final answer
   x = 91,048.84