Finding the Fourth Proportional to 49,773.72, 68,684.94 and 28,551

Step by Step Solution

1. Step 1: Write the proportion equation
   49,773.72 : 68,684.94 = 28,551 : x
2. Step 2: Convert to fraction form
   49,773.72/68,684.94 = 28,551/x
3. Step 3: Cross multiply
   49,773.72x = 68,684.94 × 28,551
4. Step 4: Simplify right side
   49,773.72x = 1,961,023,721.94
5. Step 5: Solve for x
   x = 1,961,023,721.94/49,773.72
6. Step 6: Final answer
   x = 39,398.78