Finding the Fourth Proportional to 2,562.63, 3,839.09 and 1,520.43

Step by Step Solution

1. Step 1: Write the proportion equation
   2,562.63 : 3,839.09 = 1,520.43 : x
2. Step 2: Convert to fraction form
   2,562.63/3,839.09 = 1,520.43/x
3. Step 3: Cross multiply
   2,562.63x = 3,839.09 × 1,520.43
4. Step 4: Simplify right side
   2,562.63x = 5,837,060.01
5. Step 5: Solve for x
   x = 5,837,060.01/2,562.63
6. Step 6: Final answer
   x = 2,277.76