Finding the Fourth Proportional to 58,667.37, 81,027.78 and 39,771.69

Step by Step Solution

1. Step 1: Write the proportion equation
   58,667.37 : 81,027.78 = 39,771.69 : x
2. Step 2: Convert to fraction form
   58,667.37/81,027.78 = 39,771.69/x
3. Step 3: Cross multiply
   58,667.37x = 81,027.78 × 39,771.69
4. Step 4: Simplify right side
   58,667.37x = 3,222,611,747.55
5. Step 5: Solve for x
   x = 3,222,611,747.55/58,667.37
6. Step 6: Final answer
   x = 54,930.22