Finding the Fourth Proportional to 2,061.51, 3,092.61 and 1,021.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.51 : 3,092.61 = 1,021.56 : x
2. Step 2: Convert to fraction form
   2,061.51/3,092.61 = 1,021.56/x
3. Step 3: Cross multiply
   2,061.51x = 3,092.61 × 1,021.56
4. Step 4: Simplify right side
   2,061.51x = 3,159,286.67
5. Step 5: Solve for x
   x = 3,159,286.67/2,061.51
6. Step 6: Final answer
   x = 1,532.51