Finding the Fourth Proportional to 3,738.31, 5,596.61 and 2,173.55

Step by Step Solution

1. Step 1: Write the proportion equation
   3,738.31 : 5,596.61 = 2,173.55 : x
2. Step 2: Convert to fraction form
   3,738.31/5,596.61 = 2,173.55/x
3. Step 3: Cross multiply
   3,738.31x = 5,596.61 × 2,173.55
4. Step 4: Simplify right side
   3,738.31x = 12,164,472.81
5. Step 5: Solve for x
   x = 12,164,472.81/3,738.31
6. Step 6: Final answer
   x = 3,254.01