Finding the Fourth Proportional to 64,057.12, 96,018.72 and 21,924.72

Step by Step Solution

1. Step 1: Write the proportion equation
   64,057.12 : 96,018.72 = 21,924.72 : x
2. Step 2: Convert to fraction form
   64,057.12/96,018.72 = 21,924.72/x
3. Step 3: Cross multiply
   64,057.12x = 96,018.72 × 21,924.72
4. Step 4: Simplify right side
   64,057.12x = 2,105,183,550.76
5. Step 5: Solve for x
   x = 2,105,183,550.76/64,057.12
6. Step 6: Final answer
   x = 32,864.16