Finding the Fourth Proportional to 1,404.24, 2,104.02 and 992.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.24 : 2,104.02 = 992.49 : x
2. Step 2: Convert to fraction form
   1,404.24/2,104.02 = 992.49/x
3. Step 3: Cross multiply
   1,404.24x = 2,104.02 × 992.49
4. Step 4: Simplify right side
   1,404.24x = 2,088,218.81
5. Step 5: Solve for x
   x = 2,088,218.81/1,404.24
6. Step 6: Final answer
   x = 1,487.08