Finding the Fourth Proportional to 10,019.84, 15,019.16 and 5,336.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,019.84 : 15,019.16 = 5,336.96 : x
2. Step 2: Convert to fraction form
   10,019.84/15,019.16 = 5,336.96/x
3. Step 3: Cross multiply
   10,019.84x = 15,019.16 × 5,336.96
4. Step 4: Simplify right side
   10,019.84x = 80,156,554.37
5. Step 5: Solve for x
   x = 80,156,554.37/10,019.84
6. Step 6: Final answer
   x = 7,999.79