Finding the Fourth Proportional to 119,151.87, 164,429.55 and 65,436.90

Step by Step Solution

1. Step 1: Write the proportion equation
   119,151.87 : 164,429.55 = 65,436.90 : x
2. Step 2: Convert to fraction form
   119,151.87/164,429.55 = 65,436.90/x
3. Step 3: Cross multiply
   119,151.87x = 164,429.55 × 65,436.90
4. Step 4: Simplify right side
   119,151.87x = 10,759,760,020.40
5. Step 5: Solve for x
   x = 10,759,760,020.40/119,151.87
6. Step 6: Final answer
   x = 90,302.91