Finding the Fourth Proportional to 1,535.72, 2,119.39 and 1,162.06

Step by Step Solution

1. Step 1: Write the proportion equation
   1,535.72 : 2,119.39 = 1,162.06 : x
2. Step 2: Convert to fraction form
   1,535.72/2,119.39 = 1,162.06/x
3. Step 3: Cross multiply
   1,535.72x = 2,119.39 × 1,162.06
4. Step 4: Simplify right side
   1,535.72x = 2,462,844.84
5. Step 5: Solve for x
   x = 2,462,844.84/1,535.72
6. Step 6: Final answer
   x = 1,603.70