Finding the Fourth Proportional to 2,645.72, 3,650.13 and 1,583.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,645.72 : 3,650.13 = 1,583.52 : x
2. Step 2: Convert to fraction form
   2,645.72/3,650.13 = 1,583.52/x
3. Step 3: Cross multiply
   2,645.72x = 3,650.13 × 1,583.52
4. Step 4: Simplify right side
   2,645.72x = 5,780,040.17
5. Step 5: Solve for x
   x = 5,780,040.17/2,645.72
6. Step 6: Final answer
   x = 2,184.67