Finding the Fourth Proportional to 114,968.12, 158,654.38 and 64,667

Step by Step Solution

1. Step 1: Write the proportion equation
   114,968.12 : 158,654.38 = 64,667 : x
2. Step 2: Convert to fraction form
   114,968.12/158,654.38 = 64,667/x
3. Step 3: Cross multiply
   114,968.12x = 158,654.38 × 64,667
4. Step 4: Simplify right side
   114,968.12x = 10,259,702,791.46
5. Step 5: Solve for x
   x = 10,259,702,791.46/114,968.12
6. Step 6: Final answer
   x = 89,239.55