Finding the Fourth Proportional to 10,938.71, 16,408.31 and 3,543.95

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.71 : 16,408.31 = 3,543.95 : x
2. Step 2: Convert to fraction form
   10,938.71/16,408.31 = 3,543.95/x
3. Step 3: Cross multiply
   10,938.71x = 16,408.31 × 3,543.95
4. Step 4: Simplify right side
   10,938.71x = 58,150,253.53
5. Step 5: Solve for x
   x = 58,150,253.53/10,938.71
6. Step 6: Final answer
   x = 5,316.01