Finding the Fourth Proportional to 2,116.22, 2,920.11 and 1,184.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,116.22 : 2,920.11 = 1,184.72 : x
2. Step 2: Convert to fraction form
   2,116.22/2,920.11 = 1,184.72/x
3. Step 3: Cross multiply
   2,116.22x = 2,920.11 × 1,184.72
4. Step 4: Simplify right side
   2,116.22x = 3,459,512.72
5. Step 5: Solve for x
   x = 3,459,512.72/2,116.22
6. Step 6: Final answer
   x = 1,634.76