Finding the Fourth Proportional to 52,856.72, 79,231.34 and 33,149.01

Step by Step Solution

1. Step 1: Write the proportion equation
   52,856.72 : 79,231.34 = 33,149.01 : x
2. Step 2: Convert to fraction form
   52,856.72/79,231.34 = 33,149.01/x
3. Step 3: Cross multiply
   52,856.72x = 79,231.34 × 33,149.01
4. Step 4: Simplify right side
   52,856.72x = 2,626,440,564.85
5. Step 5: Solve for x
   x = 2,626,440,564.85/52,856.72
6. Step 6: Final answer
   x = 49,689.82