Finding the Fourth Proportional to 36,123.73, 49,851.46 and 21,783.49

Step by Step Solution

1. Step 1: Write the proportion equation
   36,123.73 : 49,851.46 = 21,783.49 : x
2. Step 2: Convert to fraction form
   36,123.73/49,851.46 = 21,783.49/x
3. Step 3: Cross multiply
   36,123.73x = 49,851.46 × 21,783.49
4. Step 4: Simplify right side
   36,123.73x = 1,085,938,683.00
5. Step 5: Solve for x
   x = 1,085,938,683.00/36,123.73
6. Step 6: Final answer
   x = 30,061.65