Finding the Fourth Proportional to 2,077.76, 2,867.18 and 1,181.48

Step by Step Solution

1. Step 1: Write the proportion equation
   2,077.76 : 2,867.18 = 1,181.48 : x
2. Step 2: Convert to fraction form
   2,077.76/2,867.18 = 1,181.48/x
3. Step 3: Cross multiply
   2,077.76x = 2,867.18 × 1,181.48
4. Step 4: Simplify right side
   2,077.76x = 3,387,515.83
5. Step 5: Solve for x
   x = 3,387,515.83/2,077.76
6. Step 6: Final answer
   x = 1,630.37