Finding the Fourth Proportional to 1,105.47, 1,525.55 and 608.14

Step by Step Solution

1. Step 1: Write the proportion equation
   1,105.47 : 1,525.55 = 608.14 : x
2. Step 2: Convert to fraction form
   1,105.47/1,525.55 = 608.14/x
3. Step 3: Cross multiply
   1,105.47x = 1,525.55 × 608.14
4. Step 4: Simplify right side
   1,105.47x = 927,751.40
5. Step 5: Solve for x
   x = 927,751.40/1,105.47
6. Step 6: Final answer
   x = 839.24