Finding the Fourth Proportional to 1,455.57, 2,008.65 and 792.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.57 : 2,008.65 = 792.42 : x
2. Step 2: Convert to fraction form
   1,455.57/2,008.65 = 792.42/x
3. Step 3: Cross multiply
   1,455.57x = 2,008.65 × 792.42
4. Step 4: Simplify right side
   1,455.57x = 1,591,694.43
5. Step 5: Solve for x
   x = 1,591,694.43/1,455.57
6. Step 6: Final answer
   x = 1,093.52