Finding the Fourth Proportional to 1,365.17, 1,884.51 and 923.67

Step by Step Solution

1. Step 1: Write the proportion equation
   1,365.17 : 1,884.51 = 923.67 : x
2. Step 2: Convert to fraction form
   1,365.17/1,884.51 = 923.67/x
3. Step 3: Cross multiply
   1,365.17x = 1,884.51 × 923.67
4. Step 4: Simplify right side
   1,365.17x = 1,740,665.35
5. Step 5: Solve for x
   x = 1,740,665.35/1,365.17
6. Step 6: Final answer
   x = 1,275.06