Finding the Fourth Proportional to 10,270.32, 15,399.34 and 4,994.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,270.32 : 15,399.34 = 4,994.96 : x
2. Step 2: Convert to fraction form
   10,270.32/15,399.34 = 4,994.96/x
3. Step 3: Cross multiply
   10,270.32x = 15,399.34 × 4,994.96
4. Step 4: Simplify right side
   10,270.32x = 76,919,087.33
5. Step 5: Solve for x
   x = 76,919,087.33/10,270.32
6. Step 6: Final answer
   x = 7,489.45