Finding the Fourth Proportional to 49,002.72, 67,646.76 and 28,853.16

Step by Step Solution

1. Step 1: Write the proportion equation
   49,002.72 : 67,646.76 = 28,853.16 : x
2. Step 2: Convert to fraction form
   49,002.72/67,646.76 = 28,853.16/x
3. Step 3: Cross multiply
   49,002.72x = 67,646.76 × 28,853.16
4. Step 4: Simplify right side
   49,002.72x = 1,951,822,789.76
5. Step 5: Solve for x
   x = 1,951,822,789.76/49,002.72
6. Step 6: Final answer
   x = 39,830.91