Finding the Fourth Proportional to 119,696.30, 165,173.47 and 65,978.54

Step by Step Solution

1. Step 1: Write the proportion equation
   119,696.30 : 165,173.47 = 65,978.54 : x
2. Step 2: Convert to fraction form
   119,696.30/165,173.47 = 65,978.54/x
3. Step 3: Cross multiply
   119,696.30x = 165,173.47 × 65,978.54
4. Step 4: Simplify right side
   119,696.30x = 10,897,903,406.52
5. Step 5: Solve for x
   x = 10,897,903,406.52/119,696.30
6. Step 6: Final answer
   x = 91,046.29