Finding the Fourth Proportional to 10,807.02, 16,216.61 and 4,964.09

Step by Step Solution

1. Step 1: Write the proportion equation
   10,807.02 : 16,216.61 = 4,964.09 : x
2. Step 2: Convert to fraction form
   10,807.02/16,216.61 = 4,964.09/x
3. Step 3: Cross multiply
   10,807.02x = 16,216.61 × 4,964.09
4. Step 4: Simplify right side
   10,807.02x = 80,500,605.63
5. Step 5: Solve for x
   x = 80,500,605.63/10,807.02
6. Step 6: Final answer
   x = 7,448.92