Finding the Fourth Proportional to 2,111.79, 2,914.98 and 1,449.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.79 : 2,914.98 = 1,449.63 : x
2. Step 2: Convert to fraction form
   2,111.79/2,914.98 = 1,449.63/x
3. Step 3: Cross multiply
   2,111.79x = 2,914.98 × 1,449.63
4. Step 4: Simplify right side
   2,111.79x = 4,225,642.46
5. Step 5: Solve for x
   x = 4,225,642.46/2,111.79
6. Step 6: Final answer
   x = 2,000.98