Finding the Fourth Proportional to 1,364.89, 1,882.94 and 922.63

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.89 : 1,882.94 = 922.63 : x
2. Step 2: Convert to fraction form
   1,364.89/1,882.94 = 922.63/x
3. Step 3: Cross multiply
   1,364.89x = 1,882.94 × 922.63
4. Step 4: Simplify right side
   1,364.89x = 1,737,249.82
5. Step 5: Solve for x
   x = 1,737,249.82/1,364.89
6. Step 6: Final answer
   x = 1,272.82