Finding the Fourth Proportional to 2,553.45, 3,522.06 and 2,061.39

Step by Step Solution

1. Step 1: Write the proportion equation
   2,553.45 : 3,522.06 = 2,061.39 : x
2. Step 2: Convert to fraction form
   2,553.45/3,522.06 = 2,061.39/x
3. Step 3: Cross multiply
   2,553.45x = 3,522.06 × 2,061.39
4. Step 4: Simplify right side
   2,553.45x = 7,260,339.26
5. Step 5: Solve for x
   x = 7,260,339.26/2,553.45
6. Step 6: Final answer
   x = 2,843.34