Finding the Fourth Proportional to 10,973.16, 16,461 and 3,181.68

Step by Step Solution

1. Step 1: Write the proportion equation
   10,973.16 : 16,461 = 3,181.68 : x
2. Step 2: Convert to fraction form
   10,973.16/16,461 = 3,181.68/x
3. Step 3: Cross multiply
   10,973.16x = 16,461 × 3,181.68
4. Step 4: Simplify right side
   10,973.16x = 52,373,634.48
5. Step 5: Solve for x
   x = 52,373,634.48/10,973.16
6. Step 6: Final answer
   x = 4,772.89