Finding the Fourth Proportional to 80,819.83, 111,534.82 and 45,009.84

Step by Step Solution

1. Step 1: Write the proportion equation
   80,819.83 : 111,534.82 = 45,009.84 : x
2. Step 2: Convert to fraction form
   80,819.83/111,534.82 = 45,009.84/x
3. Step 3: Cross multiply
   80,819.83x = 111,534.82 × 45,009.84
4. Step 4: Simplify right side
   80,819.83x = 5,020,163,995.69
5. Step 5: Solve for x
   x = 5,020,163,995.69/80,819.83
6. Step 6: Final answer
   x = 62,115.50