Finding the Fourth Proportional to 1,839.55, 2,536.71 and 1,574.88

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.55 : 2,536.71 = 1,574.88 : x
2. Step 2: Convert to fraction form
   1,839.55/2,536.71 = 1,574.88/x
3. Step 3: Cross multiply
   1,839.55x = 2,536.71 × 1,574.88
4. Step 4: Simplify right side
   1,839.55x = 3,995,013.84
5. Step 5: Solve for x
   x = 3,995,013.84/1,839.55
6. Step 6: Final answer
   x = 2,171.73