Finding the Fourth Proportional to 10,866.63, 16,300.64 and 3,076.05

Step by Step Solution

1. Step 1: Write the proportion equation
   10,866.63 : 16,300.64 = 3,076.05 : x
2. Step 2: Convert to fraction form
   10,866.63/16,300.64 = 3,076.05/x
3. Step 3: Cross multiply
   10,866.63x = 16,300.64 × 3,076.05
4. Step 4: Simplify right side
   10,866.63x = 50,141,583.67
5. Step 5: Solve for x
   x = 50,141,583.67/10,866.63
6. Step 6: Final answer
   x = 4,614.27