Finding the Fourth Proportional to 80,786.50, 111,494.01 and 47,280.58

Step by Step Solution

1. Step 1: Write the proportion equation
   80,786.50 : 111,494.01 = 47,280.58 : x
2. Step 2: Convert to fraction form
   80,786.50/111,494.01 = 47,280.58/x
3. Step 3: Cross multiply
   80,786.50x = 111,494.01 × 47,280.58
4. Step 4: Simplify right side
   80,786.50x = 5,271,501,459.33
5. Step 5: Solve for x
   x = 5,271,501,459.33/80,786.50
6. Step 6: Final answer
   x = 65,252.26