Finding the Fourth Proportional to 3,065.10, 4,229.91 and 1,886.25

Step by Step Solution

1. Step 1: Write the proportion equation
   3,065.10 : 4,229.91 = 1,886.25 : x
2. Step 2: Convert to fraction form
   3,065.10/4,229.91 = 1,886.25/x
3. Step 3: Cross multiply
   3,065.10x = 4,229.91 × 1,886.25
4. Step 4: Simplify right side
   3,065.10x = 7,978,667.74
5. Step 5: Solve for x
   x = 7,978,667.74/3,065.10
6. Step 6: Final answer
   x = 2,603.07