Finding the Fourth Proportional to 1,131.02, 1,559.00 and 954.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,131.02 : 1,559.00 = 954.23 : x
2. Step 2: Convert to fraction form
   1,131.02/1,559.00 = 954.23/x
3. Step 3: Cross multiply
   1,131.02x = 1,559.00 × 954.23
4. Step 4: Simplify right side
   1,131.02x = 1,487,639.80
5. Step 5: Solve for x
   x = 1,487,639.80/1,131.02
6. Step 6: Final answer
   x = 1,315.31