Finding the Fourth Proportional to 2,286.98, 3,155.00 and 1,520.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,286.98 : 3,155.00 = 1,520.61 : x
2. Step 2: Convert to fraction form
   2,286.98/3,155.00 = 1,520.61/x
3. Step 3: Cross multiply
   2,286.98x = 3,155.00 × 1,520.61
4. Step 4: Simplify right side
   2,286.98x = 4,797,516.95
5. Step 5: Solve for x
   x = 4,797,516.95/2,286.98
6. Step 6: Final answer
   x = 2,097.76