Finding the Fourth Proportional to 16,606.62, 22,906.55 and 9,887.06

Step by Step Solution

1. Step 1: Write the proportion equation
   16,606.62 : 22,906.55 = 9,887.06 : x
2. Step 2: Convert to fraction form
   16,606.62/22,906.55 = 9,887.06/x
3. Step 3: Cross multiply
   16,606.62x = 22,906.55 × 9,887.06
4. Step 4: Simplify right side
   16,606.62x = 226,478,460.61
5. Step 5: Solve for x
   x = 226,478,460.61/16,606.62
6. Step 6: Final answer
   x = 13,637.84