Finding the Fourth Proportional to 8,657.47, 12,984.34 and 2,734.82

Step by Step Solution

1. Step 1: Write the proportion equation
   8,657.47 : 12,984.34 = 2,734.82 : x
2. Step 2: Convert to fraction form
   8,657.47/12,984.34 = 2,734.82/x
3. Step 3: Cross multiply
   8,657.47x = 12,984.34 × 2,734.82
4. Step 4: Simplify right side
   8,657.47x = 35,509,832.72
5. Step 5: Solve for x
   x = 35,509,832.72/8,657.47
6. Step 6: Final answer
   x = 4,101.64