Finding the Fourth Proportional to 2,453.39, 3,680.00 and 698.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.39 : 3,680.00 = 698.41 : x
2. Step 2: Convert to fraction form
   2,453.39/3,680.00 = 698.41/x
3. Step 3: Cross multiply
   2,453.39x = 3,680.00 × 698.41
4. Step 4: Simplify right side
   2,453.39x = 2,570,135.10
5. Step 5: Solve for x
   x = 2,570,135.10/2,453.39
6. Step 6: Final answer
   x = 1,047.58