Finding the Fourth Proportional to 2,109.72, 3,165.78 and 1,014.30

Step by Step Solution

1. Step 1: Write the proportion equation
   2,109.72 : 3,165.78 = 1,014.30 : x
2. Step 2: Convert to fraction form
   2,109.72/3,165.78 = 1,014.30/x
3. Step 3: Cross multiply
   2,109.72x = 3,165.78 × 1,014.30
4. Step 4: Simplify right side
   2,109.72x = 3,211,050.65
5. Step 5: Solve for x
   x = 3,211,050.65/2,109.72
6. Step 6: Final answer
   x = 1,522.03