Finding the Fourth Proportional to 1,897.58, 2,618.33 and 1,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.58 : 2,618.33 = 1,058.10 : x
2. Step 2: Convert to fraction form
   1,897.58/2,618.33 = 1,058.10/x
3. Step 3: Cross multiply
   1,897.58x = 2,618.33 × 1,058.10
4. Step 4: Simplify right side
   1,897.58x = 2,770,454.97
5. Step 5: Solve for x
   x = 2,770,454.97/1,897.58
6. Step 6: Final answer
   x = 1,459.99