Finding the Fourth Proportional to 119,426.83, 164,813 and 65,715.79

Step by Step Solution

1. Step 1: Write the proportion equation
   119,426.83 : 164,813 = 65,715.79 : x
2. Step 2: Convert to fraction form
   119,426.83/164,813 = 65,715.79/x
3. Step 3: Cross multiply
   119,426.83x = 164,813 × 65,715.79
4. Step 4: Simplify right side
   119,426.83x = 10,830,816,497.27
5. Step 5: Solve for x
   x = 10,830,816,497.27/119,426.83
6. Step 6: Final answer
   x = 90,689.98