Finding the Fourth Proportional to 8,734.72, 12,054.17 and 4,957.81

Step by Step Solution

1. Step 1: Write the proportion equation
   8,734.72 : 12,054.17 = 4,957.81 : x
2. Step 2: Convert to fraction form
   8,734.72/12,054.17 = 4,957.81/x
3. Step 3: Cross multiply
   8,734.72x = 12,054.17 × 4,957.81
4. Step 4: Simplify right side
   8,734.72x = 59,762,199.51
5. Step 5: Solve for x
   x = 59,762,199.51/8,734.72
6. Step 6: Final answer
   x = 6,841.92