Finding the Fourth Proportional to 2,592.89, 3,889.83 and 1,422.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,592.89 : 3,889.83 = 1,422.25 : x
2. Step 2: Convert to fraction form
   2,592.89/3,889.83 = 1,422.25/x
3. Step 3: Cross multiply
   2,592.89x = 3,889.83 × 1,422.25
4. Step 4: Simplify right side
   2,592.89x = 5,532,310.72
5. Step 5: Solve for x
   x = 5,532,310.72/2,592.89
6. Step 6: Final answer
   x = 2,133.65