Finding the Fourth Proportional to 3,672.02, 5,494.28 and 2,185.81

Step by Step Solution

1. Step 1: Write the proportion equation
   3,672.02 : 5,494.28 = 2,185.81 : x
2. Step 2: Convert to fraction form
   3,672.02/5,494.28 = 2,185.81/x
3. Step 3: Cross multiply
   3,672.02x = 5,494.28 × 2,185.81
4. Step 4: Simplify right side
   3,672.02x = 12,009,452.17
5. Step 5: Solve for x
   x = 12,009,452.17/3,672.02
6. Step 6: Final answer
   x = 3,270.53