Finding the Fourth Proportional to 3,899.58, 5,846.94 and 1,818.30

Step by Step Solution

1. Step 1: Write the proportion equation
   3,899.58 : 5,846.94 = 1,818.30 : x
2. Step 2: Convert to fraction form
   3,899.58/5,846.94 = 1,818.30/x
3. Step 3: Cross multiply
   3,899.58x = 5,846.94 × 1,818.30
4. Step 4: Simplify right side
   3,899.58x = 10,631,491.00
5. Step 5: Solve for x
   x = 10,631,491.00/3,899.58
6. Step 6: Final answer
   x = 2,726.32