Finding the Fourth Proportional to 80,892.38, 111,631.86 and 46,920.98

Step by Step Solution

1. Step 1: Write the proportion equation
   80,892.38 : 111,631.86 = 46,920.98 : x
2. Step 2: Convert to fraction form
   80,892.38/111,631.86 = 46,920.98/x
3. Step 3: Cross multiply
   80,892.38x = 111,631.86 × 46,920.98
4. Step 4: Simplify right side
   80,892.38x = 5,237,876,270.42
5. Step 5: Solve for x
   x = 5,237,876,270.42/80,892.38
6. Step 6: Final answer
   x = 64,751.17