Finding the Fourth Proportional to 54,827.69, 75,657.98 and 30,956.72

Step by Step Solution

1. Step 1: Write the proportion equation
   54,827.69 : 75,657.98 = 30,956.72 : x
2. Step 2: Convert to fraction form
   54,827.69/75,657.98 = 30,956.72/x
3. Step 3: Cross multiply
   54,827.69x = 75,657.98 × 30,956.72
4. Step 4: Simplify right side
   54,827.69x = 2,342,122,601.73
5. Step 5: Solve for x
   x = 2,342,122,601.73/54,827.69
6. Step 6: Final answer
   x = 42,717.88