Finding the Fourth Proportional to 2,616.48, 3,610.91 and 1,437.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,616.48 : 3,610.91 = 1,437.56 : x
2. Step 2: Convert to fraction form
   2,616.48/3,610.91 = 1,437.56/x
3. Step 3: Cross multiply
   2,616.48x = 3,610.91 × 1,437.56
4. Step 4: Simplify right side
   2,616.48x = 5,190,881.73
5. Step 5: Solve for x
   x = 5,190,881.73/2,616.48
6. Step 6: Final answer
   x = 1,983.92