Finding the Fourth Proportional to 2,478.57, 3,419.82 and 1,484.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,478.57 : 3,419.82 = 1,484.25 : x
2. Step 2: Convert to fraction form
   2,478.57/3,419.82 = 1,484.25/x
3. Step 3: Cross multiply
   2,478.57x = 3,419.82 × 1,484.25
4. Step 4: Simplify right side
   2,478.57x = 5,075,867.84
5. Step 5: Solve for x
   x = 5,075,867.84/2,478.57
6. Step 6: Final answer
   x = 2,047.90