Finding the Fourth Proportional to 1,131.43, 1,698.72 and 584.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.43 : 1,698.72 = 584.01 : x
2. Step 2: Convert to fraction form
   1,131.43/1,698.72 = 584.01/x
3. Step 3: Cross multiply
   1,131.43x = 1,698.72 × 584.01
4. Step 4: Simplify right side
   1,131.43x = 992,069.47
5. Step 5: Solve for x
   x = 992,069.47/1,131.43
6. Step 6: Final answer
   x = 876.83