Finding the Fourth Proportional to 49,606, 68,436.78 and 28,373.92

Step by Step Solution

1. Step 1: Write the proportion equation
   49,606 : 68,436.78 = 28,373.92 : x
2. Step 2: Convert to fraction form
   49,606/68,436.78 = 28,373.92/x
3. Step 3: Cross multiply
   49,606x = 68,436.78 × 28,373.92
4. Step 4: Simplify right side
   49,606x = 1,941,819,720.78
5. Step 5: Solve for x
   x = 1,941,819,720.78/49,606
6. Step 6: Final answer
   x = 39,144.86