Finding the Fourth Proportional to 49,680.36, 68,565.86 and 30,823.56

Step by Step Solution

1. Step 1: Write the proportion equation
   49,680.36 : 68,565.86 = 30,823.56 : x
2. Step 2: Convert to fraction form
   49,680.36/68,565.86 = 30,823.56/x
3. Step 3: Cross multiply
   49,680.36x = 68,565.86 × 30,823.56
4. Step 4: Simplify right side
   49,680.36x = 2,113,443,899.66
5. Step 5: Solve for x
   x = 2,113,443,899.66/49,680.36
6. Step 6: Final answer
   x = 42,540.83