Finding the Fourth Proportional to 9,908.76, 14,853.40 and 4,718.28

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.76 : 14,853.40 = 4,718.28 : x
2. Step 2: Convert to fraction form
   9,908.76/14,853.40 = 4,718.28/x
3. Step 3: Cross multiply
   9,908.76x = 14,853.40 × 4,718.28
4. Step 4: Simplify right side
   9,908.76x = 70,082,500.15
5. Step 5: Solve for x
   x = 70,082,500.15/9,908.76
6. Step 6: Final answer
   x = 7,072.78