Finding the Fourth Proportional to 2,984.18, 4,118.55 and 1,805.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,984.18 : 4,118.55 = 1,805.25 : x
2. Step 2: Convert to fraction form
   2,984.18/4,118.55 = 1,805.25/x
3. Step 3: Cross multiply
   2,984.18x = 4,118.55 × 1,805.25
4. Step 4: Simplify right side
   2,984.18x = 7,434,982.77
5. Step 5: Solve for x
   x = 7,434,982.77/2,984.18
6. Step 6: Final answer
   x = 2,491.47