Finding the Fourth Proportional to 50,844.32, 76,261.61 and 31,112.72

Step by Step Solution

1. Step 1: Write the proportion equation
   50,844.32 : 76,261.61 = 31,112.72 : x
2. Step 2: Convert to fraction form
   50,844.32/76,261.61 = 31,112.72/x
3. Step 3: Cross multiply
   50,844.32x = 76,261.61 × 31,112.72
4. Step 4: Simplify right side
   50,844.32x = 2,372,705,815.15
5. Step 5: Solve for x
   x = 2,372,705,815.15/50,844.32
6. Step 6: Final answer
   x = 46,666.10