Finding the Fourth Proportional to 2,176.43, 3,003.50 and 1,181.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.43 : 3,003.50 = 1,181.72 : x
2. Step 2: Convert to fraction form
   2,176.43/3,003.50 = 1,181.72/x
3. Step 3: Cross multiply
   2,176.43x = 3,003.50 × 1,181.72
4. Step 4: Simplify right side
   2,176.43x = 3,549,275.09
5. Step 5: Solve for x
   x = 3,549,275.09/2,176.43
6. Step 6: Final answer
   x = 1,630.78