Finding the Fourth Proportional to 2,562.89, 3,840.42 and 1,520.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.89 : 3,840.42 = 1,520.84 : x
2. Step 2: Convert to fraction form
   2,562.89/3,840.42 = 1,520.84/x
3. Step 3: Cross multiply
   2,562.89x = 3,840.42 × 1,520.84
4. Step 4: Simplify right side
   2,562.89x = 5,840,664.35
5. Step 5: Solve for x
   x = 5,840,664.35/2,562.89
6. Step 6: Final answer
   x = 2,278.94