Finding the Fourth Proportional to 16,105.94, 22,214.96 and 15,564.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,105.94 : 22,214.96 = 15,564.06 : x
2. Step 2: Convert to fraction form
   16,105.94/22,214.96 = 15,564.06/x
3. Step 3: Cross multiply
   16,105.94x = 22,214.96 × 15,564.06
4. Step 4: Simplify right side
   16,105.94x = 345,754,970.34
5. Step 5: Solve for x
   x = 345,754,970.34/16,105.94
6. Step 6: Final answer
   x = 21,467.54