Finding the Fourth Proportional to 12,022.49, 16,612.29 and 10,416.87

Step by Step Solution

1. Step 1: Write the proportion equation
   12,022.49 : 16,612.29 = 10,416.87 : x
2. Step 2: Convert to fraction form
   12,022.49/16,612.29 = 10,416.87/x
3. Step 3: Cross multiply
   12,022.49x = 16,612.29 × 10,416.87
4. Step 4: Simplify right side
   12,022.49x = 173,048,065.33
5. Step 5: Solve for x
   x = 173,048,065.33/12,022.49
6. Step 6: Final answer
   x = 14,393.69