Finding the Fourth Proportional to 1,897.34, 2,618.31 and 1,058.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,897.34 : 2,618.31 = 1,058.03 : x
2. Step 2: Convert to fraction form
   1,897.34/2,618.31 = 1,058.03/x
3. Step 3: Cross multiply
   1,897.34x = 2,618.31 × 1,058.03
4. Step 4: Simplify right side
   1,897.34x = 2,770,250.53
5. Step 5: Solve for x
   x = 2,770,250.53/1,897.34
6. Step 6: Final answer
   x = 1,460.07