Finding the Fourth Proportional to 1,105.34, 1,525.38 and 608.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.34 : 1,525.38 = 608.03 : x
2. Step 2: Convert to fraction form
   1,105.34/1,525.38 = 608.03/x
3. Step 3: Cross multiply
   1,105.34x = 1,525.38 × 608.03
4. Step 4: Simplify right side
   1,105.34x = 927,473.76
5. Step 5: Solve for x
   x = 927,473.76/1,105.34
6. Step 6: Final answer
   x = 839.08