Finding the Fourth Proportional to 49,077.82, 67,730.10 and 28,946.50

Step by Step Solution

1. Step 1: Write the proportion equation
   49,077.82 : 67,730.10 = 28,946.50 : x
2. Step 2: Convert to fraction form
   49,077.82/67,730.10 = 28,946.50/x
3. Step 3: Cross multiply
   49,077.82x = 67,730.10 × 28,946.50
4. Step 4: Simplify right side
   49,077.82x = 1,960,549,339.65
5. Step 5: Solve for x
   x = 1,960,549,339.65/49,077.82
6. Step 6: Final answer
   x = 39,947.77