Finding the Fourth Proportional to 79,016.72, 109,044.24 and 53,530.88

Step by Step Solution

1. Step 1: Write the proportion equation
   79,016.72 : 109,044.24 = 53,530.88 : x
2. Step 2: Convert to fraction form
   79,016.72/109,044.24 = 53,530.88/x
3. Step 3: Cross multiply
   79,016.72x = 109,044.24 × 53,530.88
4. Step 4: Simplify right side
   79,016.72x = 5,837,234,126.13
5. Step 5: Solve for x
   x = 5,837,234,126.13/79,016.72
6. Step 6: Final answer
   x = 73,873.40