Finding the Fourth Proportional to 49,667.06, 68,568.78 and 39,563.12

Step by Step Solution

1. Step 1: Write the proportion equation
   49,667.06 : 68,568.78 = 39,563.12 : x
2. Step 2: Convert to fraction form
   49,667.06/68,568.78 = 39,563.12/x
3. Step 3: Cross multiply
   49,667.06x = 68,568.78 × 39,563.12
4. Step 4: Simplify right side
   49,667.06x = 2,712,794,528.55
5. Step 5: Solve for x
   x = 2,712,794,528.55/49,667.06
6. Step 6: Final answer
   x = 54,619.60