Finding the Fourth Proportional to 80,910.72, 111,624.48 and 52,606.08

Step by Step Solution

1. Step 1: Write the proportion equation
   80,910.72 : 111,624.48 = 52,606.08 : x
2. Step 2: Convert to fraction form
   80,910.72/111,624.48 = 52,606.08/x
3. Step 3: Cross multiply
   80,910.72x = 111,624.48 × 52,606.08
4. Step 4: Simplify right side
   80,910.72x = 5,872,126,324.84
5. Step 5: Solve for x
   x = 5,872,126,324.84/80,910.72
6. Step 6: Final answer
   x = 72,575.38