Finding the Fourth Proportional to 55,310.75, 76,335.39 and 31,441.01

Step by Step Solution

1. Step 1: Write the proportion equation
   55,310.75 : 76,335.39 = 31,441.01 : x
2. Step 2: Convert to fraction form
   55,310.75/76,335.39 = 31,441.01/x
3. Step 3: Cross multiply
   55,310.75x = 76,335.39 × 31,441.01
4. Step 4: Simplify right side
   55,310.75x = 2,400,061,221.46
5. Step 5: Solve for x
   x = 2,400,061,221.46/55,310.75
6. Step 6: Final answer
   x = 43,392.31