Finding the Fourth Proportional to 13,971.91, 20,945.34 and 5,200.84

Step by Step Solution

1. Step 1: Write the proportion equation
   13,971.91 : 20,945.34 = 5,200.84 : x
2. Step 2: Convert to fraction form
   13,971.91/20,945.34 = 5,200.84/x
3. Step 3: Cross multiply
   13,971.91x = 20,945.34 × 5,200.84
4. Step 4: Simplify right side
   13,971.91x = 108,933,362.09
5. Step 5: Solve for x
   x = 108,933,362.09/13,971.91
6. Step 6: Final answer
   x = 7,796.60