Finding the Fourth Proportional to 2,176.49, 3,003.59 and 1,181.79

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.49 : 3,003.59 = 1,181.79 : x
2. Step 2: Convert to fraction form
   2,176.49/3,003.59 = 1,181.79/x
3. Step 3: Cross multiply
   2,176.49x = 3,003.59 × 1,181.79
4. Step 4: Simplify right side
   2,176.49x = 3,549,615.58
5. Step 5: Solve for x
   x = 3,549,615.58/2,176.49
6. Step 6: Final answer
   x = 1,630.89