Finding the Fourth Proportional to 119,150.56, 164,426.70 and 65,436.40

Step by Step Solution

1. Step 1: Write the proportion equation
   119,150.56 : 164,426.70 = 65,436.40 : x
2. Step 2: Convert to fraction form
   119,150.56/164,426.70 = 65,436.40/x
3. Step 3: Cross multiply
   119,150.56x = 164,426.70 × 65,436.40
4. Step 4: Simplify right side
   119,150.56x = 10,759,491,311.88
5. Step 5: Solve for x
   x = 10,759,491,311.88/119,150.56
6. Step 6: Final answer
   x = 90,301.64