Finding the Fourth Proportional to 3,618.79, 4,994.17 and 2,025.57

Step by Step Solution

1. Step 1: Write the proportion equation
   3,618.79 : 4,994.17 = 2,025.57 : x
2. Step 2: Convert to fraction form
   3,618.79/4,994.17 = 2,025.57/x
3. Step 3: Cross multiply
   3,618.79x = 4,994.17 × 2,025.57
4. Step 4: Simplify right side
   3,618.79x = 10,116,065.98
5. Step 5: Solve for x
   x = 10,116,065.98/3,618.79
6. Step 6: Final answer
   x = 2,795.43