Finding the Fourth Proportional to 46,664.91, 69,976.78 and 13,377.42

Step by Step Solution

1. Step 1: Write the proportion equation
   46,664.91 : 69,976.78 = 13,377.42 : x
2. Step 2: Convert to fraction form
   46,664.91/69,976.78 = 13,377.42/x
3. Step 3: Cross multiply
   46,664.91x = 69,976.78 × 13,377.42
4. Step 4: Simplify right side
   46,664.91x = 936,108,742.86
5. Step 5: Solve for x
   x = 936,108,742.86/46,664.91
6. Step 6: Final answer
   x = 20,060.23