Finding the Fourth Proportional to 16,656.82, 22,985.72 and 9,103.40

Step by Step Solution

1. Step 1: Write the proportion equation
   16,656.82 : 22,985.72 = 9,103.40 : x
2. Step 2: Convert to fraction form
   16,656.82/22,985.72 = 9,103.40/x
3. Step 3: Cross multiply
   16,656.82x = 22,985.72 × 9,103.40
4. Step 4: Simplify right side
   16,656.82x = 209,248,203.45
5. Step 5: Solve for x
   x = 209,248,203.45/16,656.82
6. Step 6: Final answer
   x = 12,562.31