Finding the Fourth Proportional to 3,626.86, 5,441.82 and 1,981.48

Step by Step Solution

1. Step 1: Write the proportion equation
   3,626.86 : 5,441.82 = 1,981.48 : x
2. Step 2: Convert to fraction form
   3,626.86/5,441.82 = 1,981.48/x
3. Step 3: Cross multiply
   3,626.86x = 5,441.82 × 1,981.48
4. Step 4: Simplify right side
   3,626.86x = 10,782,873.11
5. Step 5: Solve for x
   x = 10,782,873.11/3,626.86
6. Step 6: Final answer
   x = 2,973.06