Finding the Fourth Proportional to 2,367.76, 3,266.34 and 1,621.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,367.76 : 3,266.34 = 1,621.72 : x
2. Step 2: Convert to fraction form
   2,367.76/3,266.34 = 1,621.72/x
3. Step 3: Cross multiply
   2,367.76x = 3,266.34 × 1,621.72
4. Step 4: Simplify right side
   2,367.76x = 5,297,088.90
5. Step 5: Solve for x
   x = 5,297,088.90/2,367.76
6. Step 6: Final answer
   x = 2,237.17