Finding the Fourth Proportional to 64,105.35, 96,137.51 and 21,401.61

Step by Step Solution

1. Step 1: Write the proportion equation
   64,105.35 : 96,137.51 = 21,401.61 : x
2. Step 2: Convert to fraction form
   64,105.35/96,137.51 = 21,401.61/x
3. Step 3: Cross multiply
   64,105.35x = 96,137.51 × 21,401.61
4. Step 4: Simplify right side
   64,105.35x = 2,057,497,388.38
5. Step 5: Solve for x
   x = 2,057,497,388.38/64,105.35
6. Step 6: Final answer
   x = 32,095.56