Finding the Fourth Proportional to 1,837.56, 2,749.35 and 1,616.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.56 : 2,749.35 = 1,616.43 : x
2. Step 2: Convert to fraction form
   1,837.56/2,749.35 = 1,616.43/x
3. Step 3: Cross multiply
   1,837.56x = 2,749.35 × 1,616.43
4. Step 4: Simplify right side
   1,837.56x = 4,444,131.82
5. Step 5: Solve for x
   x = 4,444,131.82/1,837.56
6. Step 6: Final answer
   x = 2,418.50