Finding the Fourth Proportional to 55,667.73, 76,813.11 and 31,789.35

Step by Step Solution

1. Step 1: Write the proportion equation
   55,667.73 : 76,813.11 = 31,789.35 : x
2. Step 2: Convert to fraction form
   55,667.73/76,813.11 = 31,789.35/x
3. Step 3: Cross multiply
   55,667.73x = 76,813.11 × 31,789.35
4. Step 4: Simplify right side
   55,667.73x = 2,441,838,838.38
5. Step 5: Solve for x
   x = 2,441,838,838.38/55,667.73
6. Step 6: Final answer
   x = 43,864.53