Finding the Fourth Proportional to 2,981.82, 4,474.89 and 1,685.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,981.82 : 4,474.89 = 1,685.82 : x
2. Step 2: Convert to fraction form
   2,981.82/4,474.89 = 1,685.82/x
3. Step 3: Cross multiply
   2,981.82x = 4,474.89 × 1,685.82
4. Step 4: Simplify right side
   2,981.82x = 7,543,859.06
5. Step 5: Solve for x
   x = 7,543,859.06/2,981.82
6. Step 6: Final answer
   x = 2,529.95