Finding the Fourth Proportional to 49,078.82, 67,731.48 and 28,947.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,078.82 : 67,731.48 = 28,947.50 : x
2. Step 2: Convert to fraction form
   49,078.82/67,731.48 = 28,947.50/x
3. Step 3: Cross multiply
   49,078.82x = 67,731.48 × 28,947.50
4. Step 4: Simplify right side
   49,078.82x = 1,960,657,017.30
5. Step 5: Solve for x
   x = 1,960,657,017.30/49,078.82
6. Step 6: Final answer
   x = 39,949.15