Finding the Fourth Proportional to 79,103.72, 109,165.92 and 53,297.12

Step by Step Solution

1. Step 1: Write the proportion equation
   79,103.72 : 109,165.92 = 53,297.12 : x
2. Step 2: Convert to fraction form
   79,103.72/109,165.92 = 53,297.12/x
3. Step 3: Cross multiply
   79,103.72x = 109,165.92 × 53,297.12
4. Step 4: Simplify right side
   79,103.72x = 5,818,229,138.15
5. Step 5: Solve for x
   x = 5,818,229,138.15/79,103.72
6. Step 6: Final answer
   x = 73,551.90