Finding the Fourth Proportional to 10,913.49, 16,379.96 and 5,073.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,913.49 : 16,379.96 = 5,073.39 : x
2. Step 2: Convert to fraction form
   10,913.49/16,379.96 = 5,073.39/x
3. Step 3: Cross multiply
   10,913.49x = 16,379.96 × 5,073.39
4. Step 4: Simplify right side
   10,913.49x = 83,101,899.90
5. Step 5: Solve for x
   x = 83,101,899.90/10,913.49
6. Step 6: Final answer
   x = 7,614.60