Finding the Fourth Proportional to 2,966.30, 4,449.34 and 1,407.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,966.30 : 4,449.34 = 1,407.05 : x
2. Step 2: Convert to fraction form
   2,966.30/4,449.34 = 1,407.05/x
3. Step 3: Cross multiply
   2,966.30x = 4,449.34 × 1,407.05
4. Step 4: Simplify right side
   2,966.30x = 6,260,443.85
5. Step 5: Solve for x
   x = 6,260,443.85/2,966.30
6. Step 6: Final answer
   x = 2,110.52