Finding the Fourth Proportional to 3,981.42, 5,496.12 and 2,652.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,981.42 : 5,496.12 = 2,652.89 : x
2. Step 2: Convert to fraction form
   3,981.42/5,496.12 = 2,652.89/x
3. Step 3: Cross multiply
   3,981.42x = 5,496.12 × 2,652.89
4. Step 4: Simplify right side
   3,981.42x = 14,580,574.31
5. Step 5: Solve for x
   x = 14,580,574.31/3,981.42
6. Step 6: Final answer
   x = 3,662.15