Finding the Fourth Proportional to 2,814.59, 3,884.01 and 1,555.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,814.59 : 3,884.01 = 1,555.69 : x
2. Step 2: Convert to fraction form
   2,814.59/3,884.01 = 1,555.69/x
3. Step 3: Cross multiply
   2,814.59x = 3,884.01 × 1,555.69
4. Step 4: Simplify right side
   2,814.59x = 6,042,315.52
5. Step 5: Solve for x
   x = 6,042,315.52/2,814.59
6. Step 6: Final answer
   x = 2,146.79