Finding the Fourth Proportional to 1,451.51, 2,003.43 and 892.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.51 : 2,003.43 = 892.34 : x
2. Step 2: Convert to fraction form
   1,451.51/2,003.43 = 892.34/x
3. Step 3: Cross multiply
   1,451.51x = 2,003.43 × 892.34
4. Step 4: Simplify right side
   1,451.51x = 1,787,740.73
5. Step 5: Solve for x
   x = 1,787,740.73/1,451.51
6. Step 6: Final answer
   x = 1,231.64