Finding the Fourth Proportional to 16,407.41, 22,641.71 and 9,237.72

Step by Step Solution

1. Step 1: Write the proportion equation
   16,407.41 : 22,641.71 = 9,237.72 : x
2. Step 2: Convert to fraction form
   16,407.41/22,641.71 = 9,237.72/x
3. Step 3: Cross multiply
   16,407.41x = 22,641.71 × 9,237.72
4. Step 4: Simplify right side
   16,407.41x = 209,157,816.02
5. Step 5: Solve for x
   x = 209,157,816.02/16,407.41
6. Step 6: Final answer
   x = 12,747.77