Finding the Fourth Proportional to 14,556.85, 21,839.90 and 5,196.67

Step by Step Solution

1. Step 1: Write the proportion equation
   14,556.85 : 21,839.90 = 5,196.67 : x
2. Step 2: Convert to fraction form
   14,556.85/21,839.90 = 5,196.67/x
3. Step 3: Cross multiply
   14,556.85x = 21,839.90 × 5,196.67
4. Step 4: Simplify right side
   14,556.85x = 113,494,617.95
5. Step 5: Solve for x
   x = 113,494,617.95/14,556.85
6. Step 6: Final answer
   x = 7,796.65