Finding the Fourth Proportional to 10,816.34, 16,225.12 and 3,025.76

Step by Step Solution

1. Step 1: Write the proportion equation
   10,816.34 : 16,225.12 = 3,025.76 : x
2. Step 2: Convert to fraction form
   10,816.34/16,225.12 = 3,025.76/x
3. Step 3: Cross multiply
   10,816.34x = 16,225.12 × 3,025.76
4. Step 4: Simplify right side
   10,816.34x = 49,093,319.09
5. Step 5: Solve for x
   x = 49,093,319.09/10,816.34
6. Step 6: Final answer
   x = 4,538.81