Finding the Fourth Proportional to 119,262.56, 164,581.68 and 64,814.24

Step by Step Solution

1. Step 1: Write the proportion equation
   119,262.56 : 164,581.68 = 64,814.24 : x
2. Step 2: Convert to fraction form
   119,262.56/164,581.68 = 64,814.24/x
3. Step 3: Cross multiply
   119,262.56x = 164,581.68 × 64,814.24
4. Step 4: Simplify right side
   119,262.56x = 10,667,236,507.12
5. Step 5: Solve for x
   x = 10,667,236,507.12/119,262.56
6. Step 6: Final answer
   x = 89,443.30