Finding the Fourth Proportional to 80,442.10, 111,026.25 and 46,456.12

Step by Step Solution

1. Step 1: Write the proportion equation
   80,442.10 : 111,026.25 = 46,456.12 : x
2. Step 2: Convert to fraction form
   80,442.10/111,026.25 = 46,456.12/x
3. Step 3: Cross multiply
   80,442.10x = 111,026.25 × 46,456.12
4. Step 4: Simplify right side
   80,442.10x = 5,157,848,793.15
5. Step 5: Solve for x
   x = 5,157,848,793.15/80,442.10
6. Step 6: Final answer
   x = 64,118.77