Finding the Fourth Proportional to 8,308.62, 12,445.79 and 7,006.01

Step by Step Solution

1. Step 1: Write the proportion equation
   8,308.62 : 12,445.79 = 7,006.01 : x
2. Step 2: Convert to fraction form
   8,308.62/12,445.79 = 7,006.01/x
3. Step 3: Cross multiply
   8,308.62x = 12,445.79 × 7,006.01
4. Step 4: Simplify right side
   8,308.62x = 87,195,231.94
5. Step 5: Solve for x
   x = 87,195,231.94/8,308.62
6. Step 6: Final answer
   x = 10,494.55