Finding the Fourth Proportional to 10,434.08, 15,644.18 and 5,756.34

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.08 : 15,644.18 = 5,756.34 : x
2. Step 2: Convert to fraction form
   10,434.08/15,644.18 = 5,756.34/x
3. Step 3: Cross multiply
   10,434.08x = 15,644.18 × 5,756.34
4. Step 4: Simplify right side
   10,434.08x = 90,053,219.10
5. Step 5: Solve for x
   x = 90,053,219.10/10,434.08
6. Step 6: Final answer
   x = 8,630.68