Finding the Fourth Proportional to 11,858.67, 17,790.72 and 4,067.01

Step by Step Solution

1. Step 1: Write the proportion equation
   11,858.67 : 17,790.72 = 4,067.01 : x
2. Step 2: Convert to fraction form
   11,858.67/17,790.72 = 4,067.01/x
3. Step 3: Cross multiply
   11,858.67x = 17,790.72 × 4,067.01
4. Step 4: Simplify right side
   11,858.67x = 72,355,036.15
5. Step 5: Solve for x
   x = 72,355,036.15/11,858.67
6. Step 6: Final answer
   x = 6,101.45