Finding the Fourth Proportional to 2,111.82, 2,914.75 and 1,227.77

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.82 : 2,914.75 = 1,227.77 : x
2. Step 2: Convert to fraction form
   2,111.82/2,914.75 = 1,227.77/x
3. Step 3: Cross multiply
   2,111.82x = 2,914.75 × 1,227.77
4. Step 4: Simplify right side
   2,111.82x = 3,578,642.61
5. Step 5: Solve for x
   x = 3,578,642.61/2,111.82
6. Step 6: Final answer
   x = 1,694.58