Finding the Fourth Proportional to 12,849.90, 17,735.81 and 8,365.83

Step by Step Solution

1. Step 1: Write the proportion equation
   12,849.90 : 17,735.81 = 8,365.83 : x
2. Step 2: Convert to fraction form
   12,849.90/17,735.81 = 8,365.83/x
3. Step 3: Cross multiply
   12,849.90x = 17,735.81 × 8,365.83
4. Step 4: Simplify right side
   12,849.90x = 148,374,771.37
5. Step 5: Solve for x
   x = 148,374,771.37/12,849.90
6. Step 6: Final answer
   x = 11,546.76