Finding the Fourth Proportional to 2,176.50, 3,003.54 and 1,181.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.50 : 3,003.54 = 1,181.78 : x
2. Step 2: Convert to fraction form
   2,176.50/3,003.54 = 1,181.78/x
3. Step 3: Cross multiply
   2,176.50x = 3,003.54 × 1,181.78
4. Step 4: Simplify right side
   2,176.50x = 3,549,523.50
5. Step 5: Solve for x
   x = 3,549,523.50/2,176.50
6. Step 6: Final answer
   x = 1,630.84