Finding the Fourth Proportional to 1,839.46, 2,541.62 and 1,618.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.46 : 2,541.62 = 1,618.03 : x
2. Step 2: Convert to fraction form
   1,839.46/2,541.62 = 1,618.03/x
3. Step 3: Cross multiply
   1,839.46x = 2,541.62 × 1,618.03
4. Step 4: Simplify right side
   1,839.46x = 4,112,415.10
5. Step 5: Solve for x
   x = 4,112,415.10/1,839.46
6. Step 6: Final answer
   x = 2,235.67