Finding the Fourth Proportional to 10,724.01, 16,089.35 and 5,176.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,724.01 : 16,089.35 = 5,176.39 : x
2. Step 2: Convert to fraction form
   10,724.01/16,089.35 = 5,176.39/x
3. Step 3: Cross multiply
   10,724.01x = 16,089.35 × 5,176.39
4. Step 4: Simplify right side
   10,724.01x = 83,284,670.00
5. Step 5: Solve for x
   x = 83,284,670.00/10,724.01
6. Step 6: Final answer
   x = 7,766.19