Finding the Fourth Proportional to 3,786.59, 5,225.73 and 2,526.84

Step by Step Solution

1. Step 1: Write the proportion equation
   3,786.59 : 5,225.73 = 2,526.84 : x
2. Step 2: Convert to fraction form
   3,786.59/5,225.73 = 2,526.84/x
3. Step 3: Cross multiply
   3,786.59x = 5,225.73 × 2,526.84
4. Step 4: Simplify right side
   3,786.59x = 13,204,578.53
5. Step 5: Solve for x
   x = 13,204,578.53/3,786.59
6. Step 6: Final answer
   x = 3,487.20