Finding the Fourth Proportional to 2,658.72, 3,671.01 and 1,612.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,658.72 : 3,671.01 = 1,612.20 : x
2. Step 2: Convert to fraction form
   2,658.72/3,671.01 = 1,612.20/x
3. Step 3: Cross multiply
   2,658.72x = 3,671.01 × 1,612.20
4. Step 4: Simplify right side
   2,658.72x = 5,918,402.32
5. Step 5: Solve for x
   x = 5,918,402.32/2,658.72
6. Step 6: Final answer
   x = 2,226.03