Finding the Fourth Proportional to 10,938.06, 16,405.23 and 4,362.48

Step by Step Solution

1. Step 1: Write the proportion equation
   10,938.06 : 16,405.23 = 4,362.48 : x
2. Step 2: Convert to fraction form
   10,938.06/16,405.23 = 4,362.48/x
3. Step 3: Cross multiply
   10,938.06x = 16,405.23 × 4,362.48
4. Step 4: Simplify right side
   10,938.06x = 71,567,487.77
5. Step 5: Solve for x
   x = 71,567,487.77/10,938.06
6. Step 6: Final answer
   x = 6,542.98