Finding the Fourth Proportional to 59,996.72, 89,979.24 and 17,865.44

Step by Step Solution

1. Step 1: Write the proportion equation
   59,996.72 : 89,979.24 = 17,865.44 : x
2. Step 2: Convert to fraction form
   59,996.72/89,979.24 = 17,865.44/x
3. Step 3: Cross multiply
   59,996.72x = 89,979.24 × 17,865.44
4. Step 4: Simplify right side
   59,996.72x = 1,607,518,713.47
5. Step 5: Solve for x
   x = 1,607,518,713.47/59,996.72
6. Step 6: Final answer
   x = 26,793.44