Finding the Fourth Proportional to 1,455.98, 2,009.31 and 792.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,455.98 : 2,009.31 = 792.89 : x
2. Step 2: Convert to fraction form
   1,455.98/2,009.31 = 792.89/x
3. Step 3: Cross multiply
   1,455.98x = 2,009.31 × 792.89
4. Step 4: Simplify right side
   1,455.98x = 1,593,156.32
5. Step 5: Solve for x
   x = 1,593,156.32/1,455.98
6. Step 6: Final answer
   x = 1,094.22