Finding the Fourth Proportional to 3,128.33, 4,308.33 and 3,060.29

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.33 : 4,308.33 = 3,060.29 : x
2. Step 2: Convert to fraction form
   3,128.33/4,308.33 = 3,060.29/x
3. Step 3: Cross multiply
   3,128.33x = 4,308.33 × 3,060.29
4. Step 4: Simplify right side
   3,128.33x = 13,184,739.22
5. Step 5: Solve for x
   x = 13,184,739.22/3,128.33
6. Step 6: Final answer
   x = 4,214.63