Finding the Fourth Proportional to 119,697.05, 165,174.50 and 65,979.29

Step by Step Solution

1. Step 1: Write the proportion equation
   119,697.05 : 165,174.50 = 65,979.29 : x
2. Step 2: Convert to fraction form
   119,697.05/165,174.50 = 65,979.29/x
3. Step 3: Cross multiply
   119,697.05x = 165,174.50 × 65,979.29
4. Step 4: Simplify right side
   119,697.05x = 10,898,095,575.18
5. Step 5: Solve for x
   x = 10,898,095,575.18/119,697.05
6. Step 6: Final answer
   x = 91,047.32