Finding the Fourth Proportional to 10,925.12, 15,076.88 and 5,957.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925.12 : 15,076.88 = 5,957.12 : x
2. Step 2: Convert to fraction form
   10,925.12/15,076.88 = 5,957.12/x
3. Step 3: Cross multiply
   10,925.12x = 15,076.88 × 5,957.12
4. Step 4: Simplify right side
   10,925.12x = 89,814,783.39
5. Step 5: Solve for x
   x = 89,814,783.39/10,925.12
6. Step 6: Final answer
   x = 8,220.94