Finding the Fourth Proportional to 1,095.86, 1,644.15 and 914.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,095.86 : 1,644.15 = 914.42 : x
2. Step 2: Convert to fraction form
   1,095.86/1,644.15 = 914.42/x
3. Step 3: Cross multiply
   1,095.86x = 1,644.15 × 914.42
4. Step 4: Simplify right side
   1,095.86x = 1,503,443.64
5. Step 5: Solve for x
   x = 1,503,443.64/1,095.86
6. Step 6: Final answer
   x = 1,371.93