Finding the Fourth Proportional to 1,381.62, 1,906.49 and 792.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.62 : 1,906.49 = 792.14 : x
2. Step 2: Convert to fraction form
   1,381.62/1,906.49 = 792.14/x
3. Step 3: Cross multiply
   1,381.62x = 1,906.49 × 792.14
4. Step 4: Simplify right side
   1,381.62x = 1,510,203.03
5. Step 5: Solve for x
   x = 1,510,203.03/1,381.62
6. Step 6: Final answer
   x = 1,093.07