Finding the Fourth Proportional to 3,781.84, 5,685.72 and 3,496.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,781.84 : 5,685.72 = 3,496.72 : x
2. Step 2: Convert to fraction form
   3,781.84/5,685.72 = 3,496.72/x
3. Step 3: Cross multiply
   3,781.84x = 5,685.72 × 3,496.72
4. Step 4: Simplify right side
   3,781.84x = 19,881,370.84
5. Step 5: Solve for x
   x = 19,881,370.84/3,781.84
6. Step 6: Final answer
   x = 5,257.06