Finding the Fourth Proportional to 16,276.81, 22,463.67 and 9,903.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,276.81 : 22,463.67 = 9,903.86 : x
2. Step 2: Convert to fraction form
   16,276.81/22,463.67 = 9,903.86/x
3. Step 3: Cross multiply
   16,276.81x = 22,463.67 × 9,903.86
4. Step 4: Simplify right side
   16,276.81x = 222,477,042.77
5. Step 5: Solve for x
   x = 222,477,042.77/16,276.81
6. Step 6: Final answer
   x = 13,668.34