Finding the Fourth Proportional to 2,979.10, 4,111.42 and 1,653.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,979.10 : 4,111.42 = 1,653.22 : x
2. Step 2: Convert to fraction form
   2,979.10/4,111.42 = 1,653.22/x
3. Step 3: Cross multiply
   2,979.10x = 4,111.42 × 1,653.22
4. Step 4: Simplify right side
   2,979.10x = 6,797,081.77
5. Step 5: Solve for x
   x = 6,797,081.77/2,979.10
6. Step 6: Final answer
   x = 2,281.59