Finding the Fourth Proportional to 16,654.74, 22,980.15 and 9,938.22

Step by Step Solution

1. Step 1: Write the proportion equation
   16,654.74 : 22,980.15 = 9,938.22 : x
2. Step 2: Convert to fraction form
   16,654.74/22,980.15 = 9,938.22/x
3. Step 3: Cross multiply
   16,654.74x = 22,980.15 × 9,938.22
4. Step 4: Simplify right side
   16,654.74x = 228,381,786.33
5. Step 5: Solve for x
   x = 228,381,786.33/16,654.74
6. Step 6: Final answer
   x = 13,712.72