Finding the Fourth Proportional to 1,096.55, 1,637.00 and 1,058.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,096.55 : 1,637.00 = 1,058.10 : x
2. Step 2: Convert to fraction form
   1,096.55/1,637.00 = 1,058.10/x
3. Step 3: Cross multiply
   1,096.55x = 1,637.00 × 1,058.10
4. Step 4: Simplify right side
   1,096.55x = 1,732,105.21
5. Step 5: Solve for x
   x = 1,732,105.21/1,096.55
6. Step 6: Final answer
   x = 1,579.60