Finding the Fourth Proportional to 16,402.88, 22,637.79 and 9,233.01

Step by Step Solution

1. Step 1: Write the proportion equation
   16,402.88 : 22,637.79 = 9,233.01 : x
2. Step 2: Convert to fraction form
   16,402.88/22,637.79 = 9,233.01/x
3. Step 3: Cross multiply
   16,402.88x = 22,637.79 × 9,233.01
4. Step 4: Simplify right side
   16,402.88x = 209,015,026.34
5. Step 5: Solve for x
   x = 209,015,026.34/16,402.88
6. Step 6: Final answer
   x = 12,742.58