Finding the Fourth Proportional to 2,021.61, 3,036.06 and 1,929.27

Step by Step Solution

1. Step 1: Write the proportion equation
   2,021.61 : 3,036.06 = 1,929.27 : x
2. Step 2: Convert to fraction form
   2,021.61/3,036.06 = 1,929.27/x
3. Step 3: Cross multiply
   2,021.61x = 3,036.06 × 1,929.27
4. Step 4: Simplify right side
   2,021.61x = 5,857,379.48
5. Step 5: Solve for x
   x = 5,857,379.48/2,021.61
6. Step 6: Final answer
   x = 2,897.38