Finding the Fourth Proportional to 2,669.72, 3,684.42 and 1,551.02

Step by Step Solution

1. Step 1: Write the proportion equation
   2,669.72 : 3,684.42 = 1,551.02 : x
2. Step 2: Convert to fraction form
   2,669.72/3,684.42 = 1,551.02/x
3. Step 3: Cross multiply
   2,669.72x = 3,684.42 × 1,551.02
4. Step 4: Simplify right side
   2,669.72x = 5,714,609.11
5. Step 5: Solve for x
   x = 5,714,609.11/2,669.72
6. Step 6: Final answer
   x = 2,140.53