Finding the Fourth Proportional to 2,176.80, 3,003.98 and 1,182.07

Step by Step Solution

1. Step 1: Write the proportion equation
   2,176.80 : 3,003.98 = 1,182.07 : x
2. Step 2: Convert to fraction form
   2,176.80/3,003.98 = 1,182.07/x
3. Step 3: Cross multiply
   2,176.80x = 3,003.98 × 1,182.07
4. Step 4: Simplify right side
   2,176.80x = 3,550,914.64
5. Step 5: Solve for x
   x = 3,550,914.64/2,176.80
6. Step 6: Final answer
   x = 1,631.25