Finding the Fourth Proportional to 58,667.49, 81,027.97 and 39,771.81

Step by Step Solution

1. Step 1: Write the proportion equation
   58,667.49 : 81,027.97 = 39,771.81 : x
2. Step 2: Convert to fraction form
   58,667.49/81,027.97 = 39,771.81/x
3. Step 3: Cross multiply
   58,667.49x = 81,027.97 × 39,771.81
4. Step 4: Simplify right side
   58,667.49x = 3,222,628,928.10
5. Step 5: Solve for x
   x = 3,222,628,928.10/58,667.49
6. Step 6: Final answer
   x = 54,930.40