Finding the Fourth Proportional to 49,667.76, 68,541.99 and 28,446.57

Step by Step Solution

1. Step 1: Write the proportion equation
   49,667.76 : 68,541.99 = 28,446.57 : x
2. Step 2: Convert to fraction form
   49,667.76/68,541.99 = 28,446.57/x
3. Step 3: Cross multiply
   49,667.76x = 68,541.99 × 28,446.57
4. Step 4: Simplify right side
   49,667.76x = 1,949,784,516.47
5. Step 5: Solve for x
   x = 1,949,784,516.47/49,667.76
6. Step 6: Final answer
   x = 39,256.54