Finding the Fourth Proportional to 10,871.79, 16,307.75 and 3,080.61

Step by Step Solution

1. Step 1: Write the proportion equation
   10,871.79 : 16,307.75 = 3,080.61 : x
2. Step 2: Convert to fraction form
   10,871.79/16,307.75 = 3,080.61/x
3. Step 3: Cross multiply
   10,871.79x = 16,307.75 × 3,080.61
4. Step 4: Simplify right side
   10,871.79x = 50,237,802.32
5. Step 5: Solve for x
   x = 50,237,802.32/10,871.79
6. Step 6: Final answer
   x = 4,620.93