Finding the Fourth Proportional to 16,384.56, 22,612.62 and 9,312.05

Step by Step Solution

1. Step 1: Write the proportion equation
   16,384.56 : 22,612.62 = 9,312.05 : x
2. Step 2: Convert to fraction form
   16,384.56/22,612.62 = 9,312.05/x
3. Step 3: Cross multiply
   16,384.56x = 22,612.62 × 9,312.05
4. Step 4: Simplify right side
   16,384.56x = 210,569,735.01
5. Step 5: Solve for x
   x = 210,569,735.01/16,384.56
6. Step 6: Final answer
   x = 12,851.72