Finding the Fourth Proportional to 1,282.54, 1,920.69 and 892.93

Step by Step Solution

1. Step 1: Write the proportion equation
   1,282.54 : 1,920.69 = 892.93 : x
2. Step 2: Convert to fraction form
   1,282.54/1,920.69 = 892.93/x
3. Step 3: Cross multiply
   1,282.54x = 1,920.69 × 892.93
4. Step 4: Simplify right side
   1,282.54x = 1,715,041.72
5. Step 5: Solve for x
   x = 1,715,041.72/1,282.54
6. Step 6: Final answer
   x = 1,337.22