Finding the Fourth Proportional to 16,616.82, 22,931.83 and 9,903.07

Step by Step Solution

1. Step 1: Write the proportion equation
   16,616.82 : 22,931.83 = 9,903.07 : x
2. Step 2: Convert to fraction form
   16,616.82/22,931.83 = 9,903.07/x
3. Step 3: Cross multiply
   16,616.82x = 22,931.83 × 9,903.07
4. Step 4: Simplify right side
   16,616.82x = 227,095,558.76
5. Step 5: Solve for x
   x = 227,095,558.76/16,616.82
6. Step 6: Final answer
   x = 13,666.60