Finding the Fourth Proportional to 11,900.59, 17,854.23 and 4,404.04

Step by Step Solution

1. Step 1: Write the proportion equation
   11,900.59 : 17,854.23 = 4,404.04 : x
2. Step 2: Convert to fraction form
   11,900.59/17,854.23 = 4,404.04/x
3. Step 3: Cross multiply
   11,900.59x = 17,854.23 × 4,404.04
4. Step 4: Simplify right side
   11,900.59x = 78,630,743.09
5. Step 5: Solve for x
   x = 78,630,743.09/11,900.59
6. Step 6: Final answer
   x = 6,607.30