Finding the Fourth Proportional to 80,530.32, 111,123.72 and 47,015.76

Step by Step Solution

1. Step 1: Write the proportion equation
   80,530.32 : 111,123.72 = 47,015.76 : x
2. Step 2: Convert to fraction form
   80,530.32/111,123.72 = 47,015.76/x
3. Step 3: Cross multiply
   80,530.32x = 111,123.72 × 47,015.76
4. Step 4: Simplify right side
   80,530.32x = 5,224,566,149.83
5. Step 5: Solve for x
   x = 5,224,566,149.83/80,530.32
6. Step 6: Final answer
   x = 64,877.01