Finding the Fourth Proportional to 12,068.89, 16,662.85 and 9,836.12

Step by Step Solution

1. Step 1: Write the proportion equation
   12,068.89 : 16,662.85 = 9,836.12 : x
2. Step 2: Convert to fraction form
   12,068.89/16,662.85 = 9,836.12/x
3. Step 3: Cross multiply
   12,068.89x = 16,662.85 × 9,836.12
4. Step 4: Simplify right side
   12,068.89x = 163,897,809.21
5. Step 5: Solve for x
   x = 163,897,809.21/12,068.89
6. Step 6: Final answer
   x = 13,580.19