Finding the Fourth Proportional to 79,663.91, 109,939.32 and 43,857.25

Step by Step Solution

1. Step 1: Write the proportion equation
   79,663.91 : 109,939.32 = 43,857.25 : x
2. Step 2: Convert to fraction form
   79,663.91/109,939.32 = 43,857.25/x
3. Step 3: Cross multiply
   79,663.91x = 109,939.32 × 43,857.25
4. Step 4: Simplify right side
   79,663.91x = 4,821,635,967.22
5. Step 5: Solve for x
   x = 4,821,635,967.22/79,663.91
6. Step 6: Final answer
   x = 60,524.73