Finding the Fourth Proportional to 80,533.82, 111,128.52 and 47,019.26

Step by Step Solution

1. Step 1: Write the proportion equation
   80,533.82 : 111,128.52 = 47,019.26 : x
2. Step 2: Convert to fraction form
   80,533.82/111,128.52 = 47,019.26/x
3. Step 3: Cross multiply
   80,533.82x = 111,128.52 × 47,019.26
4. Step 4: Simplify right side
   80,533.82x = 5,225,180,775.30
5. Step 5: Solve for x
   x = 5,225,180,775.30/80,533.82
6. Step 6: Final answer
   x = 64,881.82