Finding the Fourth Proportional to 1,889.25, 2,607.17 and 1,103.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,889.25 : 2,607.17 = 1,103.30 : x
2. Step 2: Convert to fraction form
   1,889.25/2,607.17 = 1,103.30/x
3. Step 3: Cross multiply
   1,889.25x = 2,607.17 × 1,103.30
4. Step 4: Simplify right side
   1,889.25x = 2,876,491.66
5. Step 5: Solve for x
   x = 2,876,491.66/1,889.25
6. Step 6: Final answer
   x = 1,522.56