Finding the Fourth Proportional to 1,554.29, 2,146.60 and 1,058.27

Step by Step Solution

1. Step 1: Write the proportion equation
   1,554.29 : 2,146.60 = 1,058.27 : x
2. Step 2: Convert to fraction form
   1,554.29/2,146.60 = 1,058.27/x
3. Step 3: Cross multiply
   1,554.29x = 2,146.60 × 1,058.27
4. Step 4: Simplify right side
   1,554.29x = 2,271,672.97
5. Step 5: Solve for x
   x = 2,271,672.97/1,554.29
6. Step 6: Final answer
   x = 1,461.55