Finding the Fourth Proportional to 2,621.54, 3,925.82 and 1,522.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,621.54 : 3,925.82 = 1,522.57 : x
2. Step 2: Convert to fraction form
   2,621.54/3,925.82 = 1,522.57/x
3. Step 3: Cross multiply
   2,621.54x = 3,925.82 × 1,522.57
4. Step 4: Simplify right side
   2,621.54x = 5,977,335.76
5. Step 5: Solve for x
   x = 5,977,335.76/2,621.54
6. Step 6: Final answer
   x = 2,280.09