Finding the Fourth Proportional to 2,593.86, 3,887.33 and 1,422.09

Step by Step Solution

1. Step 1: Write the proportion equation
   2,593.86 : 3,887.33 = 1,422.09 : x
2. Step 2: Convert to fraction form
   2,593.86/3,887.33 = 1,422.09/x
3. Step 3: Cross multiply
   2,593.86x = 3,887.33 × 1,422.09
4. Step 4: Simplify right side
   2,593.86x = 5,528,139.28
5. Step 5: Solve for x
   x = 5,528,139.28/2,593.86
6. Step 6: Final answer
   x = 2,131.24