Finding the Fourth Proportional to 2,001.61, 2,762.37 and 1,105.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,001.61 : 2,762.37 = 1,105.52 : x
2. Step 2: Convert to fraction form
   2,001.61/2,762.37 = 1,105.52/x
3. Step 3: Cross multiply
   2,001.61x = 2,762.37 × 1,105.52
4. Step 4: Simplify right side
   2,001.61x = 3,053,855.28
5. Step 5: Solve for x
   x = 3,053,855.28/2,001.61
6. Step 6: Final answer
   x = 1,525.70