Finding the Fourth Proportional to 80,005.59, 110,429.70 and 49,772.88

Step by Step Solution

1. Step 1: Write the proportion equation
   80,005.59 : 110,429.70 = 49,772.88 : x
2. Step 2: Convert to fraction form
   80,005.59/110,429.70 = 49,772.88/x
3. Step 3: Cross multiply
   80,005.59x = 110,429.70 × 49,772.88
4. Step 4: Simplify right side
   80,005.59x = 5,496,404,206.54
5. Step 5: Solve for x
   x = 5,496,404,206.54/80,005.59
6. Step 6: Final answer
   x = 68,700.25