Finding the Fourth Proportional to 1,954.56, 2,920.74 and 1,910.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,954.56 : 2,920.74 = 1,910.82 : x
2. Step 2: Convert to fraction form
   1,954.56/2,920.74 = 1,910.82/x
3. Step 3: Cross multiply
   1,954.56x = 2,920.74 × 1,910.82
4. Step 4: Simplify right side
   1,954.56x = 5,581,008.41
5. Step 5: Solve for x
   x = 5,581,008.41/1,954.56
6. Step 6: Final answer
   x = 2,855.38