Finding the Fourth Proportional to 72,059.29, 108,131.05 and 52,049.05

Step by Step Solution

1. Step 1: Write the proportion equation
   72,059.29 : 108,131.05 = 52,049.05 : x
2. Step 2: Convert to fraction form
   72,059.29/108,131.05 = 52,049.05/x
3. Step 3: Cross multiply
   72,059.29x = 108,131.05 × 52,049.05
4. Step 4: Simplify right side
   72,059.29x = 5,628,118,222.74
5. Step 5: Solve for x
   x = 5,628,118,222.74/72,059.29
6. Step 6: Final answer
   x = 78,103.99