Finding the Fourth Proportional to 1,401.64, 2,103.54 and 914.56

Step by Step Solution

1. Step 1: Write the proportion equation
   1,401.64 : 2,103.54 = 914.56 : x
2. Step 2: Convert to fraction form
   1,401.64/2,103.54 = 914.56/x
3. Step 3: Cross multiply
   1,401.64x = 2,103.54 × 914.56
4. Step 4: Simplify right side
   1,401.64x = 1,923,813.54
5. Step 5: Solve for x
   x = 1,923,813.54/1,401.64
6. Step 6: Final answer
   x = 1,372.54