Finding the Fourth Proportional to 1,381.53, 1,906.59 and 792.09

Step by Step Solution

1. Step 1: Write the proportion equation
   1,381.53 : 1,906.59 = 792.09 : x
2. Step 2: Convert to fraction form
   1,381.53/1,906.59 = 792.09/x
3. Step 3: Cross multiply
   1,381.53x = 1,906.59 × 792.09
4. Step 4: Simplify right side
   1,381.53x = 1,510,190.87
5. Step 5: Solve for x
   x = 1,510,190.87/1,381.53
6. Step 6: Final answer
   x = 1,093.13