Finding the Fourth Proportional to 11,782.15, 17,675.69 and 10,605.83

Step by Step Solution

1. Step 1: Write the proportion equation
   11,782.15 : 17,675.69 = 10,605.83 : x
2. Step 2: Convert to fraction form
   11,782.15/17,675.69 = 10,605.83/x
3. Step 3: Cross multiply
   11,782.15x = 17,675.69 × 10,605.83
4. Step 4: Simplify right side
   11,782.15x = 187,465,221.87
5. Step 5: Solve for x
   x = 187,465,221.87/11,782.15
6. Step 6: Final answer
   x = 15,910.96