Finding the Fourth Proportional to 2,111.37, 2,914.63 and 1,404.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.37 : 2,914.63 = 1,404.46 : x
2. Step 2: Convert to fraction form
   2,111.37/2,914.63 = 1,404.46/x
3. Step 3: Cross multiply
   2,111.37x = 2,914.63 × 1,404.46
4. Step 4: Simplify right side
   2,111.37x = 4,093,497.48
5. Step 5: Solve for x
   x = 4,093,497.48/2,111.37
6. Step 6: Final answer
   x = 1,938.79