Finding the Fourth Proportional to 9,005.58, 12,429.18 and 6,654.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.58 : 12,429.18 = 6,654.42 : x
2. Step 2: Convert to fraction form
   9,005.58/12,429.18 = 6,654.42/x
3. Step 3: Cross multiply
   9,005.58x = 12,429.18 × 6,654.42
4. Step 4: Simplify right side
   9,005.58x = 82,708,983.98
5. Step 5: Solve for x
   x = 82,708,983.98/9,005.58
6. Step 6: Final answer
   x = 9,184.19