Finding the Fourth Proportional to 2,591.39, 3,906.43 and 2,422.10

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.39 : 3,906.43 = 2,422.10 : x
2. Step 2: Convert to fraction form
   2,591.39/3,906.43 = 2,422.10/x
3. Step 3: Cross multiply
   2,591.39x = 3,906.43 × 2,422.10
4. Step 4: Simplify right side
   2,591.39x = 9,461,767.81
5. Step 5: Solve for x
   x = 9,461,767.81/2,591.39
6. Step 6: Final answer
   x = 3,651.23