Finding the Fourth Proportional to 55,743.80, 76,923.98 and 31,872.03

Step by Step Solution

1. Step 1: Write the proportion equation
   55,743.80 : 76,923.98 = 31,872.03 : x
2. Step 2: Convert to fraction form
   55,743.80/76,923.98 = 31,872.03/x
3. Step 3: Cross multiply
   55,743.80x = 76,923.98 × 31,872.03
4. Step 4: Simplify right side
   55,743.80x = 2,451,723,502.67
5. Step 5: Solve for x
   x = 2,451,723,502.67/55,743.80
6. Step 6: Final answer
   x = 43,982.00