Finding the Fourth Proportional to 10,678.03, 16,019.96 and 5,136.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,678.03 : 16,019.96 = 5,136.01 : x
2. Step 2: Convert to fraction form
   10,678.03/16,019.96 = 5,136.01/x
3. Step 3: Cross multiply
   10,678.03x = 16,019.96 × 5,136.01
4. Step 4: Simplify right side
   10,678.03x = 82,278,594.66
5. Step 5: Solve for x
   x = 82,278,594.66/10,678.03
6. Step 6: Final answer
   x = 7,705.41