Finding the Fourth Proportional to 119,336.30, 164,684.69 and 65,624.80

Step by Step Solution

1. Step 1: Write the proportion equation
   119,336.30 : 164,684.69 = 65,624.80 : x
2. Step 2: Convert to fraction form
   119,336.30/164,684.69 = 65,624.80/x
3. Step 3: Cross multiply
   119,336.30x = 164,684.69 × 65,624.80
4. Step 4: Simplify right side
   119,336.30x = 10,807,399,474.78
5. Step 5: Solve for x
   x = 10,807,399,474.78/119,336.30
6. Step 6: Final answer
   x = 90,562.55