Finding the Fourth Proportional to 10,938.69, 16,411.19 and 3,542.99

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.69 : 16,411.19 = 3,542.99 : x
2. Step 2: Convert to fraction form
   10,938.69/16,411.19 = 3,542.99/x
3. Step 3: Cross multiply
   10,938.69x = 16,411.19 × 3,542.99
4. Step 4: Simplify right side
   10,938.69x = 58,144,582.29
5. Step 5: Solve for x
   x = 58,144,582.29/10,938.69
6. Step 6: Final answer
   x = 5,315.50