Finding the Fourth Proportional to 16,086.54, 22,171.70 and 10,699.34

Step by Step Solution

1. Step 1: Write the proportion equation
   16,086.54 : 22,171.70 = 10,699.34 : x
2. Step 2: Convert to fraction form
   16,086.54/22,171.70 = 10,699.34/x
3. Step 3: Cross multiply
   16,086.54x = 22,171.70 × 10,699.34
4. Step 4: Simplify right side
   16,086.54x = 237,222,392.32
5. Step 5: Solve for x
   x = 237,222,392.32/16,086.54
6. Step 6: Final answer
   x = 14,746.64