Finding the Fourth Proportional to 1,729.56, 2,388.36 and 1,101.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.56 : 2,388.36 = 1,101.12 : x
2. Step 2: Convert to fraction form
   1,729.56/2,388.36 = 1,101.12/x
3. Step 3: Cross multiply
   1,729.56x = 2,388.36 × 1,101.12
4. Step 4: Simplify right side
   1,729.56x = 2,629,870.96
5. Step 5: Solve for x
   x = 2,629,870.96/1,729.56
6. Step 6: Final answer
   x = 1,520.54