Finding the Fourth Proportional to 49,845.49, 68,790.89 and 28,342.00

Step by Step Solution

1. Step 1: Write the proportion equation
   49,845.49 : 68,790.89 = 28,342.00 : x
2. Step 2: Convert to fraction form
   49,845.49/68,790.89 = 28,342.00/x
3. Step 3: Cross multiply
   49,845.49x = 68,790.89 × 28,342.00
4. Step 4: Simplify right side
   49,845.49x = 1,949,671,401.80
5. Step 5: Solve for x
   x = 1,949,671,401.80/49,845.49
6. Step 6: Final answer
   x = 39,114.30