Finding the Fourth Proportional to 2,001.30, 2,761.48 and 1,162.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.30 : 2,761.48 = 1,162.05 : x
2. Step 2: Convert to fraction form
   2,001.30/2,761.48 = 1,162.05/x
3. Step 3: Cross multiply
   2,001.30x = 2,761.48 × 1,162.05
4. Step 4: Simplify right side
   2,001.30x = 3,208,977.83
5. Step 5: Solve for x
   x = 3,208,977.83/2,001.30
6. Step 6: Final answer
   x = 1,603.45