Finding the Fourth Proportional to 1,365.69, 1,885.10 and 923.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.69 : 1,885.10 = 923.43 : x
2. Step 2: Convert to fraction form
   1,365.69/1,885.10 = 923.43/x
3. Step 3: Cross multiply
   1,365.69x = 1,885.10 × 923.43
4. Step 4: Simplify right side
   1,365.69x = 1,740,753.28
5. Step 5: Solve for x
   x = 1,740,753.28/1,365.69
6. Step 6: Final answer
   x = 1,274.63