Finding the Fourth Proportional to 63,659.72, 95,499.90 and 21,542.40

Step by Step Solution

1. Step 1: Write the proportion equation
   63,659.72 : 95,499.90 = 21,542.40 : x
2. Step 2: Convert to fraction form
   63,659.72/95,499.90 = 21,542.40/x
3. Step 3: Cross multiply
   63,659.72x = 95,499.90 × 21,542.40
4. Step 4: Simplify right side
   63,659.72x = 2,057,297,045.76
5. Step 5: Solve for x
   x = 2,057,297,045.76/63,659.72
6. Step 6: Final answer
   x = 32,317.09