Finding the Fourth Proportional to 9,928.32, 14,884.56 and 4,995.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,928.32 : 14,884.56 = 4,995.42 : x
2. Step 2: Convert to fraction form
   9,928.32/14,884.56 = 4,995.42/x
3. Step 3: Cross multiply
   9,928.32x = 14,884.56 × 4,995.42
4. Step 4: Simplify right side
   9,928.32x = 74,354,628.72
5. Step 5: Solve for x
   x = 74,354,628.72/9,928.32
6. Step 6: Final answer
   x = 7,489.15