Finding the Fourth Proportional to 79,102.72, 109,164.54 and 53,296.12

Step by Step Solution

1. Step 1: Write the proportion equation
   79,102.72 : 109,164.54 = 53,296.12 : x
2. Step 2: Convert to fraction form
   79,102.72/109,164.54 = 53,296.12/x
3. Step 3: Cross multiply
   79,102.72x = 109,164.54 × 53,296.12
4. Step 4: Simplify right side
   79,102.72x = 5,818,046,423.58
5. Step 5: Solve for x
   x = 5,818,046,423.58/79,102.72
6. Step 6: Final answer
   x = 73,550.52