Finding the Fourth Proportional to 1,897.46, 2,618.42 and 1,111.49

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.46 : 2,618.42 = 1,111.49 : x
2. Step 2: Convert to fraction form
   1,897.46/2,618.42 = 1,111.49/x
3. Step 3: Cross multiply
   1,897.46x = 2,618.42 × 1,111.49
4. Step 4: Simplify right side
   1,897.46x = 2,910,347.65
5. Step 5: Solve for x
   x = 2,910,347.65/1,897.46
6. Step 6: Final answer
   x = 1,533.81