Finding the Fourth Proportional to 16,545, 22,851.60 and 10,946.28

Step by Step Solution

1. Step 1: Write the proportion equation
   16,545 : 22,851.60 = 10,946.28 : x
2. Step 2: Convert to fraction form
   16,545/22,851.60 = 10,946.28/x
3. Step 3: Cross multiply
   16,545x = 22,851.60 × 10,946.28
4. Step 4: Simplify right side
   16,545x = 250,140,012.05
5. Step 5: Solve for x
   x = 250,140,012.05/16,545
6. Step 6: Final answer
   x = 15,118.77