Finding the Fourth Proportional to 8,492.86, 12,734.42 and 3,558.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,492.86 : 12,734.42 = 3,558.34 : x
2. Step 2: Convert to fraction form
   8,492.86/12,734.42 = 3,558.34/x
3. Step 3: Cross multiply
   8,492.86x = 12,734.42 × 3,558.34
4. Step 4: Simplify right side
   8,492.86x = 45,313,373.12
5. Step 5: Solve for x
   x = 45,313,373.12/8,492.86
6. Step 6: Final answer
   x = 5,335.47