Finding the Fourth Proportional to 1,955.56, 2,922.23 and 1,911.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,955.56 : 2,922.23 = 1,911.82 : x
2. Step 2: Convert to fraction form
   1,955.56/2,922.23 = 1,911.82/x
3. Step 3: Cross multiply
   1,955.56x = 2,922.23 × 1,911.82
4. Step 4: Simplify right side
   1,955.56x = 5,586,777.76
5. Step 5: Solve for x
   x = 5,586,777.76/1,955.56
6. Step 6: Final answer
   x = 2,856.87