Finding the Fourth Proportional to 2,979.30, 4,465.17 and 1,335.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.30 : 4,465.17 = 1,335.78 : x
2. Step 2: Convert to fraction form
   2,979.30/4,465.17 = 1,335.78/x
3. Step 3: Cross multiply
   2,979.30x = 4,465.17 × 1,335.78
4. Step 4: Simplify right side
   2,979.30x = 5,964,484.78
5. Step 5: Solve for x
   x = 5,964,484.78/2,979.30
6. Step 6: Final answer
   x = 2,001.98