Finding the Fourth Proportional to 2,453.33, 3,680.20 and 698.34

Step by Step Solution

1. Step 1: Write the proportion equation
   2,453.33 : 3,680.20 = 698.34 : x
2. Step 2: Convert to fraction form
   2,453.33/3,680.20 = 698.34/x
3. Step 3: Cross multiply
   2,453.33x = 3,680.20 × 698.34
4. Step 4: Simplify right side
   2,453.33x = 2,570,030.87
5. Step 5: Solve for x
   x = 2,570,030.87/2,453.33
6. Step 6: Final answer
   x = 1,047.57