Finding the Fourth Proportional to 1,402.92, 2,100.33 and 914.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.92 : 2,100.33 = 914.49 : x
2. Step 2: Convert to fraction form
   1,402.92/2,100.33 = 914.49/x
3. Step 3: Cross multiply
   1,402.92x = 2,100.33 × 914.49
4. Step 4: Simplify right side
   1,402.92x = 1,920,730.78
5. Step 5: Solve for x
   x = 1,920,730.78/1,402.92
6. Step 6: Final answer
   x = 1,369.10