Finding the Fourth Proportional to 1,364.42, 1,884.12 and 923.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,364.42 : 1,884.12 = 923.96 : x
2. Step 2: Convert to fraction form
   1,364.42/1,884.12 = 923.96/x
3. Step 3: Cross multiply
   1,364.42x = 1,884.12 × 923.96
4. Step 4: Simplify right side
   1,364.42x = 1,740,851.52
5. Step 5: Solve for x
   x = 1,740,851.52/1,364.42
6. Step 6: Final answer
   x = 1,275.89