Finding the Fourth Proportional to 2,591.88, 3,579.03 and 2,222.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.88 : 3,579.03 = 2,222.52 : x
2. Step 2: Convert to fraction form
   2,591.88/3,579.03 = 2,222.52/x
3. Step 3: Cross multiply
   2,591.88x = 3,579.03 × 2,222.52
4. Step 4: Simplify right side
   2,591.88x = 7,954,465.76
5. Step 5: Solve for x
   x = 7,954,465.76/2,591.88
6. Step 6: Final answer
   x = 3,068.99