Finding the Fourth Proportional to 3,660.35, 5,051.25 and 1,981.73

Step by Step Solution

1. Step 1: Write the proportion equation
   3,660.35 : 5,051.25 = 1,981.73 : x
2. Step 2: Convert to fraction form
   3,660.35/5,051.25 = 1,981.73/x
3. Step 3: Cross multiply
   3,660.35x = 5,051.25 × 1,981.73
4. Step 4: Simplify right side
   3,660.35x = 10,010,191.13
5. Step 5: Solve for x
   x = 10,010,191.13/3,660.35
6. Step 6: Final answer
   x = 2,734.76