Finding the Fourth Proportional to 10,433.53, 15,632.69 and 5,161.51

Step by Step Solution

1. Step 1: Write the proportion equation
   10,433.53 : 15,632.69 = 5,161.51 : x
2. Step 2: Convert to fraction form
   10,433.53/15,632.69 = 5,161.51/x
3. Step 3: Cross multiply
   10,433.53x = 15,632.69 × 5,161.51
4. Step 4: Simplify right side
   10,433.53x = 80,688,259.58
5. Step 5: Solve for x
   x = 80,688,259.58/10,433.53
6. Step 6: Final answer
   x = 7,733.56