Finding the Fourth Proportional to 50,989.46, 76,397.82 and 31,226.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,989.46 : 76,397.82 = 31,226.72 : x
2. Step 2: Convert to fraction form
   50,989.46/76,397.82 = 31,226.72/x
3. Step 3: Cross multiply
   50,989.46x = 76,397.82 × 31,226.72
4. Step 4: Simplify right side
   50,989.46x = 2,385,653,333.75
5. Step 5: Solve for x
   x = 2,385,653,333.75/50,989.46
6. Step 6: Final answer
   x = 46,787.19