Finding the Fourth Proportional to 16,377.98, 22,602.41 and 9,210.15

Step by Step Solution

1. Step 1: Write the proportion equation
   16,377.98 : 22,602.41 = 9,210.15 : x
2. Step 2: Convert to fraction form
   16,377.98/22,602.41 = 9,210.15/x
3. Step 3: Cross multiply
   16,377.98x = 22,602.41 × 9,210.15
4. Step 4: Simplify right side
   16,377.98x = 208,171,609.49
5. Step 5: Solve for x
   x = 208,171,609.49/16,377.98
6. Step 6: Final answer
   x = 12,710.46