Finding the Fourth Proportional to 16,779.89, 23,147.14 and 10,404.33

Step by Step Solution

1. Step 1: Write the proportion equation
   16,779.89 : 23,147.14 = 10,404.33 : x
2. Step 2: Convert to fraction form
   16,779.89/23,147.14 = 10,404.33/x
3. Step 3: Cross multiply
   16,779.89x = 23,147.14 × 10,404.33
4. Step 4: Simplify right side
   16,779.89x = 240,830,483.12
5. Step 5: Solve for x
   x = 240,830,483.12/16,779.89
6. Step 6: Final answer
   x = 14,352.33