Finding the Fourth Proportional to 1,091.54, 1,637.37 and 597.30

Step by Step Solution

1. Step 1: Write the proportion equation
   1,091.54 : 1,637.37 = 597.30 : x
2. Step 2: Convert to fraction form
   1,091.54/1,637.37 = 597.30/x
3. Step 3: Cross multiply
   1,091.54x = 1,637.37 × 597.30
4. Step 4: Simplify right side
   1,091.54x = 978,001.10
5. Step 5: Solve for x
   x = 978,001.10/1,091.54
6. Step 6: Final answer
   x = 895.99