Finding the Fourth Proportional to 2,300.20, 3,174.19 and 1,513.69

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.20 : 3,174.19 = 1,513.69 : x
2. Step 2: Convert to fraction form
   2,300.20/3,174.19 = 1,513.69/x
3. Step 3: Cross multiply
   2,300.20x = 3,174.19 × 1,513.69
4. Step 4: Simplify right side
   2,300.20x = 4,804,739.66
5. Step 5: Solve for x
   x = 4,804,739.66/2,300.20
6. Step 6: Final answer
   x = 2,088.84