Finding the Fourth Proportional to 10,938.48, 16,411.13 and 3,918.56

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.48 : 16,411.13 = 3,918.56 : x
2. Step 2: Convert to fraction form
   10,938.48/16,411.13 = 3,918.56/x
3. Step 3: Cross multiply
   10,938.48x = 16,411.13 × 3,918.56
4. Step 4: Simplify right side
   10,938.48x = 64,307,926.23
5. Step 5: Solve for x
   x = 64,307,926.23/10,938.48
6. Step 6: Final answer
   x = 5,879.05