Finding the Fourth Proportional to 2,618.10, 3,925.89 and 1,522.80

Step by Step Solution

1. Step 1: Write the proportion equation
   2,618.10 : 3,925.89 = 1,522.80 : x
2. Step 2: Convert to fraction form
   2,618.10/3,925.89 = 1,522.80/x
3. Step 3: Cross multiply
   2,618.10x = 3,925.89 × 1,522.80
4. Step 4: Simplify right side
   2,618.10x = 5,978,345.29
5. Step 5: Solve for x
   x = 5,978,345.29/2,618.10
6. Step 6: Final answer
   x = 2,283.47