Finding the Fourth Proportional to 1,897.49, 2,618.52 and 1,058.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.49 : 2,618.52 = 1,058.18 : x
2. Step 2: Convert to fraction form
   1,897.49/2,618.52 = 1,058.18/x
3. Step 3: Cross multiply
   1,897.49x = 2,618.52 × 1,058.18
4. Step 4: Simplify right side
   1,897.49x = 2,770,865.49
5. Step 5: Solve for x
   x = 2,770,865.49/1,897.49
6. Step 6: Final answer
   x = 1,460.28