Finding the Fourth Proportional to 10,434.36, 14,399.48 and 5,654.39

Step by Step Solution

1. Step 1: Write the proportion equation
   10,434.36 : 14,399.48 = 5,654.39 : x
2. Step 2: Convert to fraction form
   10,434.36/14,399.48 = 5,654.39/x
3. Step 3: Cross multiply
   10,434.36x = 14,399.48 × 5,654.39
4. Step 4: Simplify right side
   10,434.36x = 81,420,175.45
5. Step 5: Solve for x
   x = 81,420,175.45/10,434.36
6. Step 6: Final answer
   x = 7,803.08