Finding the Fourth Proportional to 2,150.49, 2,948.34 and 2,111.61

Step by Step Solution

1. Step 1: Write the proportion equation
   2,150.49 : 2,948.34 = 2,111.61 : x
2. Step 2: Convert to fraction form
   2,150.49/2,948.34 = 2,111.61/x
3. Step 3: Cross multiply
   2,150.49x = 2,948.34 × 2,111.61
4. Step 4: Simplify right side
   2,150.49x = 6,225,729.49
5. Step 5: Solve for x
   x = 6,225,729.49/2,150.49
6. Step 6: Final answer
   x = 2,895.04