Finding the Fourth Proportional to 119,626.21, 165,084.33 and 65,178.10

Step by Step Solution

1. Step 1: Write the proportion equation
   119,626.21 : 165,084.33 = 65,178.10 : x
2. Step 2: Convert to fraction form
   119,626.21/165,084.33 = 65,178.10/x
3. Step 3: Cross multiply
   119,626.21x = 165,084.33 × 65,178.10
4. Step 4: Simplify right side
   119,626.21x = 10,759,882,969.17
5. Step 5: Solve for x
   x = 10,759,882,969.17/119,626.21
6. Step 6: Final answer
   x = 89,945.87