Finding the Fourth Proportional to 49,667.68, 68,541.36 and 28,445.92

Step by Step Solution

1. Step 1: Write the proportion equation
   49,667.68 : 68,541.36 = 28,445.92 : x
2. Step 2: Convert to fraction form
   49,667.68/68,541.36 = 28,445.92/x
3. Step 3: Cross multiply
   49,667.68x = 68,541.36 × 28,445.92
4. Step 4: Simplify right side
   49,667.68x = 1,949,722,043.25
5. Step 5: Solve for x
   x = 1,949,722,043.25/49,667.68
6. Step 6: Final answer
   x = 39,255.35