Finding the Fourth Proportional to 1,451.79, 2,003.51 and 854.33

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.79 : 2,003.51 = 854.33 : x
2. Step 2: Convert to fraction form
   1,451.79/2,003.51 = 854.33/x
3. Step 3: Cross multiply
   1,451.79x = 2,003.51 × 854.33
4. Step 4: Simplify right side
   1,451.79x = 1,711,644.41
5. Step 5: Solve for x
   x = 1,711,644.41/1,451.79
6. Step 6: Final answer
   x = 1,178.99