Finding the Fourth Proportional to 2,733.78, 3,772.60 and 1,538.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,733.78 : 3,772.60 = 1,538.82 : x
2. Step 2: Convert to fraction form
   2,733.78/3,772.60 = 1,538.82/x
3. Step 3: Cross multiply
   2,733.78x = 3,772.60 × 1,538.82
4. Step 4: Simplify right side
   2,733.78x = 5,805,352.33
5. Step 5: Solve for x
   x = 5,805,352.33/2,733.78
6. Step 6: Final answer
   x = 2,123.56