Finding the Fourth Proportional to 1,451.36, 2,003.72 and 954.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.36 : 2,003.72 = 954.86 : x
2. Step 2: Convert to fraction form
   1,451.36/2,003.72 = 954.86/x
3. Step 3: Cross multiply
   1,451.36x = 2,003.72 × 954.86
4. Step 4: Simplify right side
   1,451.36x = 1,913,257.29
5. Step 5: Solve for x
   x = 1,913,257.29/1,451.36
6. Step 6: Final answer
   x = 1,318.25