Finding the Fourth Proportional to 16,655.82, 22,985.01 and 9,102.30

Step by Step Solution

1. Step 1: Write the proportion equation
   16,655.82 : 22,985.01 = 9,102.30 : x
2. Step 2: Convert to fraction form
   16,655.82/22,985.01 = 9,102.30/x
3. Step 3: Cross multiply
   16,655.82x = 22,985.01 × 9,102.30
4. Step 4: Simplify right side
   16,655.82x = 209,216,456.52
5. Step 5: Solve for x
   x = 209,216,456.52/16,655.82
6. Step 6: Final answer
   x = 12,561.16