Finding the Fourth Proportional to 8,734.48, 13,105.18 and 3,188.18

Step by Step Solution

1. Step 1: Write the proportion equation
   8,734.48 : 13,105.18 = 3,188.18 : x
2. Step 2: Convert to fraction form
   8,734.48/13,105.18 = 3,188.18/x
3. Step 3: Cross multiply
   8,734.48x = 13,105.18 × 3,188.18
4. Step 4: Simplify right side
   8,734.48x = 41,781,672.77
5. Step 5: Solve for x
   x = 41,781,672.77/8,734.48
6. Step 6: Final answer
   x = 4,783.53