Finding the Fourth Proportional to 2,786.61, 3,845.50 and 1,527.67

Step by Step Solution

1. Step 1: Write the proportion equation
   2,786.61 : 3,845.50 = 1,527.67 : x
2. Step 2: Convert to fraction form
   2,786.61/3,845.50 = 1,527.67/x
3. Step 3: Cross multiply
   2,786.61x = 3,845.50 × 1,527.67
4. Step 4: Simplify right side
   2,786.61x = 5,874,654.99
5. Step 5: Solve for x
   x = 5,874,654.99/2,786.61
6. Step 6: Final answer
   x = 2,108.17