Finding the Fourth Proportional to 2,737.40, 3,796.27 and 2,638.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,737.40 : 3,796.27 = 2,638.98 : x
2. Step 2: Convert to fraction form
   2,737.40/3,796.27 = 2,638.98/x
3. Step 3: Cross multiply
   2,737.40x = 3,796.27 × 2,638.98
4. Step 4: Simplify right side
   2,737.40x = 10,018,274.01
5. Step 5: Solve for x
   x = 10,018,274.01/2,737.40
6. Step 6: Final answer
   x = 3,659.78