Finding the Fourth Proportional to 1,451.23, 2,003.04 and 954.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.23 : 2,003.04 = 954.55 : x
2. Step 2: Convert to fraction form
   1,451.23/2,003.04 = 954.55/x
3. Step 3: Cross multiply
   1,451.23x = 2,003.04 × 954.55
4. Step 4: Simplify right side
   1,451.23x = 1,911,991.82
5. Step 5: Solve for x
   x = 1,911,991.82/1,451.23
6. Step 6: Final answer
   x = 1,317.50