Finding the Fourth Proportional to 1,889.10, 2,604.60 and 1,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.10 : 2,604.60 = 1,574.82 : x
2. Step 2: Convert to fraction form
   1,889.10/2,604.60 = 1,574.82/x
3. Step 3: Cross multiply
   1,889.10x = 2,604.60 × 1,574.82
4. Step 4: Simplify right side
   1,889.10x = 4,101,776.17
5. Step 5: Solve for x
   x = 4,101,776.17/1,889.10
6. Step 6: Final answer
   x = 2,171.29