Finding the Fourth Proportional to 12,671.46, 17,492.86 and 7,958.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,671.46 : 17,492.86 = 7,958.34 : x
2. Step 2: Convert to fraction form
   12,671.46/17,492.86 = 7,958.34/x
3. Step 3: Cross multiply
   12,671.46x = 17,492.86 × 7,958.34
4. Step 4: Simplify right side
   12,671.46x = 139,214,127.45
5. Step 5: Solve for x
   x = 139,214,127.45/12,671.46
6. Step 6: Final answer
   x = 10,986.43