Finding the Fourth Proportional to 80,215.82, 110,649.39 and 51,525.83

Step by Step Solution

1. Step 1: Write the proportion equation
   80,215.82 : 110,649.39 = 51,525.83 : x
2. Step 2: Convert to fraction form
   80,215.82/110,649.39 = 51,525.83/x
3. Step 3: Cross multiply
   80,215.82x = 110,649.39 × 51,525.83
4. Step 4: Simplify right side
   80,215.82x = 5,701,301,105.50
5. Step 5: Solve for x
   x = 5,701,301,105.50/80,215.82
6. Step 6: Final answer
   x = 71,074.53