Finding the Fourth Proportional to 1,131.67, 1,698.18 and 482.41

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.67 : 1,698.18 = 482.41 : x
2. Step 2: Convert to fraction form
   1,131.67/1,698.18 = 482.41/x
3. Step 3: Cross multiply
   1,131.67x = 1,698.18 × 482.41
4. Step 4: Simplify right side
   1,131.67x = 819,219.01
5. Step 5: Solve for x
   x = 819,219.01/1,131.67
6. Step 6: Final answer
   x = 723.90