Finding the Fourth Proportional to 3,146.32, 4,323.69 and 3,001.78

Step by Step Solution

1. Step 1: Write the proportion equation
   3,146.32 : 4,323.69 = 3,001.78 : x
2. Step 2: Convert to fraction form
   3,146.32/4,323.69 = 3,001.78/x
3. Step 3: Cross multiply
   3,146.32x = 4,323.69 × 3,001.78
4. Step 4: Simplify right side
   3,146.32x = 12,978,744.55
5. Step 5: Solve for x
   x = 12,978,744.55/3,146.32
6. Step 6: Final answer
   x = 4,125.06