Finding the Fourth Proportional to 3,128.03, 4,291.23 and 3,046.32

Step by Step Solution

1. Step 1: Write the proportion equation
   3,128.03 : 4,291.23 = 3,046.32 : x
2. Step 2: Convert to fraction form
   3,128.03/4,291.23 = 3,046.32/x
3. Step 3: Cross multiply
   3,128.03x = 4,291.23 × 3,046.32
4. Step 4: Simplify right side
   3,128.03x = 13,072,459.77
5. Step 5: Solve for x
   x = 13,072,459.77/3,128.03
6. Step 6: Final answer
   x = 4,179.14