Finding the Fourth Proportional to 12,654.63, 17,478.89 and 9,482.11

Step by Step Solution

1. Step 1: Write the proportion equation
   12,654.63 : 17,478.89 = 9,482.11 : x
2. Step 2: Convert to fraction form
   12,654.63/17,478.89 = 9,482.11/x
3. Step 3: Cross multiply
   12,654.63x = 17,478.89 × 9,482.11
4. Step 4: Simplify right side
   12,654.63x = 165,736,800.43
5. Step 5: Solve for x
   x = 165,736,800.43/12,654.63
6. Step 6: Final answer
   x = 13,096.93