Finding the Fourth Proportional to 119,528.26, 164,946.78 and 65,812.10

Step by Step Solution

1. Step 1: Write the proportion equation
   119,528.26 : 164,946.78 = 65,812.10 : x
2. Step 2: Convert to fraction form
   119,528.26/164,946.78 = 65,812.10/x
3. Step 3: Cross multiply
   119,528.26x = 164,946.78 × 65,812.10
4. Step 4: Simplify right side
   119,528.26x = 10,855,493,155.30
5. Step 5: Solve for x
   x = 10,855,493,155.30/119,528.26
6. Step 6: Final answer
   x = 90,819.47