Finding the Fourth Proportional to 2,522.39, 3,776.28 and 2,106.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.39 : 3,776.28 = 2,106.86 : x
2. Step 2: Convert to fraction form
   2,522.39/3,776.28 = 2,106.86/x
3. Step 3: Cross multiply
   2,522.39x = 3,776.28 × 2,106.86
4. Step 4: Simplify right side
   2,522.39x = 7,956,093.28
5. Step 5: Solve for x
   x = 7,956,093.28/2,522.39
6. Step 6: Final answer
   x = 3,154.19