Finding the Fourth Proportional to 10,644.10, 15,964.94 and 4,070.14

Step by Step Solution

1. Step 1: Write the proportion equation
   10,644.10 : 15,964.94 = 4,070.14 : x
2. Step 2: Convert to fraction form
   10,644.10/15,964.94 = 4,070.14/x
3. Step 3: Cross multiply
   10,644.10x = 15,964.94 × 4,070.14
4. Step 4: Simplify right side
   10,644.10x = 64,979,540.89
5. Step 5: Solve for x
   x = 64,979,540.89/10,644.10
6. Step 6: Final answer
   x = 6,104.75