Finding the Fourth Proportional to 16,405.56, 22,650.54 and 10,127.16

Step by Step Solution

1. Step 1: Write the proportion equation
   16,405.56 : 22,650.54 = 10,127.16 : x
2. Step 2: Convert to fraction form
   16,405.56/22,650.54 = 10,127.16/x
3. Step 3: Cross multiply
   16,405.56x = 22,650.54 × 10,127.16
4. Step 4: Simplify right side
   16,405.56x = 229,385,642.67
5. Step 5: Solve for x
   x = 229,385,642.67/16,405.56
6. Step 6: Final answer
   x = 13,982.19