Finding the Fourth Proportional to 119,112.69, 164,375.84 and 65,401.19

Step by Step Solution

1. Step 1: Write the proportion equation
   119,112.69 : 164,375.84 = 65,401.19 : x
2. Step 2: Convert to fraction form
   119,112.69/164,375.84 = 65,401.19/x
3. Step 3: Cross multiply
   119,112.69x = 164,375.84 × 65,401.19
4. Step 4: Simplify right side
   119,112.69x = 10,750,375,543.25
5. Step 5: Solve for x
   x = 10,750,375,543.25/119,112.69
6. Step 6: Final answer
   x = 90,253.82