Finding the Fourth Proportional to 10,812.82, 16,210.59 and 4,661.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,812.82 : 16,210.59 = 4,661.14 : x
2. Step 2: Convert to fraction form
   10,812.82/16,210.59 = 4,661.14/x
3. Step 3: Cross multiply
   10,812.82x = 16,210.59 × 4,661.14
4. Step 4: Simplify right side
   10,812.82x = 75,559,829.47
5. Step 5: Solve for x
   x = 75,559,829.47/10,812.82
6. Step 6: Final answer
   x = 6,987.99