Finding the Fourth Proportional to 119,522.56, 164,939.92 and 65,806.56

Step by Step Solution

1. Step 1: Write the proportion equation
   119,522.56 : 164,939.92 = 65,806.56 : x
2. Step 2: Convert to fraction form
   119,522.56/164,939.92 = 65,806.56/x
3. Step 3: Cross multiply
   119,522.56x = 164,939.92 × 65,806.56
4. Step 4: Simplify right side
   119,522.56x = 10,854,128,741.88
5. Step 5: Solve for x
   x = 10,854,128,741.88/119,522.56
6. Step 6: Final answer
   x = 90,812.39