Finding the Fourth Proportional to 80,775.60, 111,475.60 and 48,947.52

Step by Step Solution

1. Step 1: Write the proportion equation
   80,775.60 : 111,475.60 = 48,947.52 : x
2. Step 2: Convert to fraction form
   80,775.60/111,475.60 = 48,947.52/x
3. Step 3: Cross multiply
   80,775.60x = 111,475.60 × 48,947.52
4. Step 4: Simplify right side
   80,775.60x = 5,456,454,160.51
5. Step 5: Solve for x
   x = 5,456,454,160.51/80,775.60
6. Step 6: Final answer
   x = 67,550.77