Finding the Fourth Proportional to 6,628.07, 9,146.91 and 4,111.42

Step by Step Solution

1. Step 1: Write the proportion equation
   6,628.07 : 9,146.91 = 4,111.42 : x
2. Step 2: Convert to fraction form
   6,628.07/9,146.91 = 4,111.42/x
3. Step 3: Cross multiply
   6,628.07x = 9,146.91 × 4,111.42
4. Step 4: Simplify right side
   6,628.07x = 37,606,788.71
5. Step 5: Solve for x
   x = 37,606,788.71/6,628.07
6. Step 6: Final answer
   x = 5,673.87