Finding the Fourth Proportional to 10,925, 16,386.11 and 3,528.69

Step by Step Solution

1. Step 1: Write the proportion equation
   10,925 : 16,386.11 = 3,528.69 : x
2. Step 2: Convert to fraction form
   10,925/16,386.11 = 3,528.69/x
3. Step 3: Cross multiply
   10,925x = 16,386.11 × 3,528.69
4. Step 4: Simplify right side
   10,925x = 57,821,484.85
5. Step 5: Solve for x
   x = 57,821,484.85/10,925
6. Step 6: Final answer
   x = 5,292.58