Finding the Fourth Proportional to 2,612.63, 3,608.17 and 2,052.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,612.63 : 3,608.17 = 2,052.21 : x
2. Step 2: Convert to fraction form
   2,612.63/3,608.17 = 2,052.21/x
3. Step 3: Cross multiply
   2,612.63x = 3,608.17 × 2,052.21
4. Step 4: Simplify right side
   2,612.63x = 7,404,726.58
5. Step 5: Solve for x
   x = 7,404,726.58/2,612.63
6. Step 6: Final answer
   x = 2,834.20