Finding the Fourth Proportional to 1,928.76, 2,891.26 and 1,233.46

Step by Step Solution

1. Step 1: Write the proportion equation
   1,928.76 : 2,891.26 = 1,233.46 : x
2. Step 2: Convert to fraction form
   1,928.76/2,891.26 = 1,233.46/x
3. Step 3: Cross multiply
   1,928.76x = 2,891.26 × 1,233.46
4. Step 4: Simplify right side
   1,928.76x = 3,566,253.56
5. Step 5: Solve for x
   x = 3,566,253.56/1,928.76
6. Step 6: Final answer
   x = 1,848.99