Finding the Fourth Proportional to 1,086.48, 1,499.31 and 792.99

Step by Step Solution

1. Step 1: Write the proportion equation
   1,086.48 : 1,499.31 = 792.99 : x
2. Step 2: Convert to fraction form
   1,086.48/1,499.31 = 792.99/x
3. Step 3: Cross multiply
   1,086.48x = 1,499.31 × 792.99
4. Step 4: Simplify right side
   1,086.48x = 1,188,937.84
5. Step 5: Solve for x
   x = 1,188,937.84/1,086.48
6. Step 6: Final answer
   x = 1,094.30