Finding the Fourth Proportional to 2,671.42, 3,686.18 and 1,552.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,671.42 : 3,686.18 = 1,552.20 : x
2. Step 2: Convert to fraction form
   2,671.42/3,686.18 = 1,552.20/x
3. Step 3: Cross multiply
   2,671.42x = 3,686.18 × 1,552.20
4. Step 4: Simplify right side
   2,671.42x = 5,721,688.60
5. Step 5: Solve for x
   x = 5,721,688.60/2,671.42
6. Step 6: Final answer
   x = 2,141.82