Finding the Fourth Proportional to 1,455.31, 2,008.33 and 792.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.31 : 2,008.33 = 792.17 : x
2. Step 2: Convert to fraction form
   1,455.31/2,008.33 = 792.17/x
3. Step 3: Cross multiply
   1,455.31x = 2,008.33 × 792.17
4. Step 4: Simplify right side
   1,455.31x = 1,590,938.78
5. Step 5: Solve for x
   x = 1,590,938.78/1,455.31
6. Step 6: Final answer
   x = 1,093.20