Finding the Fourth Proportional to 10,945.76, 16,425.12 and 4,025.12

Step by Step Solution

1. Step 1: Write the proportion equation
   10,945.76 : 16,425.12 = 4,025.12 : x
2. Step 2: Convert to fraction form
   10,945.76/16,425.12 = 4,025.12/x
3. Step 3: Cross multiply
   10,945.76x = 16,425.12 × 4,025.12
4. Step 4: Simplify right side
   10,945.76x = 66,113,079.01
5. Step 5: Solve for x
   x = 66,113,079.01/10,945.76
6. Step 6: Final answer
   x = 6,040.06