Finding the Fourth Proportional to 8,068.30, 12,099.38 and 3,137.32

Step by Step Solution

1. Step 1: Write the proportion equation
   8,068.30 : 12,099.38 = 3,137.32 : x
2. Step 2: Convert to fraction form
   8,068.30/12,099.38 = 3,137.32/x
3. Step 3: Cross multiply
   8,068.30x = 12,099.38 × 3,137.32
4. Step 4: Simplify right side
   8,068.30x = 37,959,626.86
5. Step 5: Solve for x
   x = 37,959,626.86/8,068.30
6. Step 6: Final answer
   x = 4,704.79