Finding the Fourth Proportional to 1,451.51, 2,002.79 and 892.07

Step by Step Solution

1. Step 1: Write the proportion equation
   1,451.51 : 2,002.79 = 892.07 : x
2. Step 2: Convert to fraction form
   1,451.51/2,002.79 = 892.07/x
3. Step 3: Cross multiply
   1,451.51x = 2,002.79 × 892.07
4. Step 4: Simplify right side
   1,451.51x = 1,786,628.88
5. Step 5: Solve for x
   x = 1,786,628.88/1,451.51
6. Step 6: Final answer
   x = 1,230.88