Finding the Fourth Proportional to 2,061.12, 2,843.93 and 1,177.21

Step by Step Solution

1. Step 1: Write the proportion equation
   2,061.12 : 2,843.93 = 1,177.21 : x
2. Step 2: Convert to fraction form
   2,061.12/2,843.93 = 1,177.21/x
3. Step 3: Cross multiply
   2,061.12x = 2,843.93 × 1,177.21
4. Step 4: Simplify right side
   2,061.12x = 3,347,898.67
5. Step 5: Solve for x
   x = 3,347,898.67/2,061.12
6. Step 6: Final answer
   x = 1,624.31