Finding the Fourth Proportional to 10,889.34, 16,328.69 and 4,563.03

Step by Step Solution

1. Step 1: Write the proportion equation
   10,889.34 : 16,328.69 = 4,563.03 : x
2. Step 2: Convert to fraction form
   10,889.34/16,328.69 = 4,563.03/x
3. Step 3: Cross multiply
   10,889.34x = 16,328.69 × 4,563.03
4. Step 4: Simplify right side
   10,889.34x = 74,508,357.86
5. Step 5: Solve for x
   x = 74,508,357.86/10,889.34
6. Step 6: Final answer
   x = 6,842.32