Finding the Fourth Proportional to 119,689.98, 165,172.13 and 65,975.89

Step by Step Solution

1. Step 1: Write the proportion equation
   119,689.98 : 165,172.13 = 65,975.89 : x
2. Step 2: Convert to fraction form
   119,689.98/165,172.13 = 65,975.89/x
3. Step 3: Cross multiply
   119,689.98x = 165,172.13 × 65,975.89
4. Step 4: Simplify right side
   119,689.98x = 10,897,378,697.96
5. Step 5: Solve for x
   x = 10,897,378,697.96/119,689.98
6. Step 6: Final answer
   x = 91,046.71