Finding the Fourth Proportional to 1,382.35, 1,907.31 and 792.76

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382.35 : 1,907.31 = 792.76 : x
2. Step 2: Convert to fraction form
   1,382.35/1,907.31 = 792.76/x
3. Step 3: Cross multiply
   1,382.35x = 1,907.31 × 792.76
4. Step 4: Simplify right side
   1,382.35x = 1,512,039.08
5. Step 5: Solve for x
   x = 1,512,039.08/1,382.35
6. Step 6: Final answer
   x = 1,093.82