Finding the Fourth Proportional to 2,300.30, 3,171.12 and 1,415.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,300.30 : 3,171.12 = 1,415.54 : x
2. Step 2: Convert to fraction form
   2,300.30/3,171.12 = 1,415.54/x
3. Step 3: Cross multiply
   2,300.30x = 3,171.12 × 1,415.54
4. Step 4: Simplify right side
   2,300.30x = 4,488,847.20
5. Step 5: Solve for x
   x = 4,488,847.20/2,300.30
6. Step 6: Final answer
   x = 1,951.42