Finding the Fourth Proportional to 1,889.03, 2,606.24 and 1,142.71

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.03 : 2,606.24 = 1,142.71 : x
2. Step 2: Convert to fraction form
   1,889.03/2,606.24 = 1,142.71/x
3. Step 3: Cross multiply
   1,889.03x = 2,606.24 × 1,142.71
4. Step 4: Simplify right side
   1,889.03x = 2,978,172.85
5. Step 5: Solve for x
   x = 2,978,172.85/1,889.03
6. Step 6: Final answer
   x = 1,576.56