Finding the Fourth Proportional to 2,619.95, 3,929.72 and 1,523.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,619.95 : 3,929.72 = 1,523.61 : x
2. Step 2: Convert to fraction form
   2,619.95/3,929.72 = 1,523.61/x
3. Step 3: Cross multiply
   2,619.95x = 3,929.72 × 1,523.61
4. Step 4: Simplify right side
   2,619.95x = 5,987,353.07
5. Step 5: Solve for x
   x = 5,987,353.07/2,619.95
6. Step 6: Final answer
   x = 2,285.30