Finding the Fourth Proportional to 16,417.82, 22,656.56 and 9,705.86

Step by Step Solution

1. Step 1: Write the proportion equation
   16,417.82 : 22,656.56 = 9,705.86 : x
2. Step 2: Convert to fraction form
   16,417.82/22,656.56 = 9,705.86/x
3. Step 3: Cross multiply
   16,417.82x = 22,656.56 × 9,705.86
4. Step 4: Simplify right side
   16,417.82x = 219,901,237.63
5. Step 5: Solve for x
   x = 219,901,237.63/16,417.82
6. Step 6: Final answer
   x = 13,394.06