Finding the Fourth Proportional to 3,553.76, 5,327.59 and 1,992.49

Step by Step Solution

1. Step 1: Write the proportion equation
   3,553.76 : 5,327.59 = 1,992.49 : x
2. Step 2: Convert to fraction form
   3,553.76/5,327.59 = 1,992.49/x
3. Step 3: Cross multiply
   3,553.76x = 5,327.59 × 1,992.49
4. Step 4: Simplify right side
   3,553.76x = 10,615,169.80
5. Step 5: Solve for x
   x = 10,615,169.80/3,553.76
6. Step 6: Final answer
   x = 2,987.02