Finding the Fourth Proportional to 11,465.37, 15,822.15 and 6,429.59

Step by Step Solution

1. Step 1: Write the proportion equation
   11,465.37 : 15,822.15 = 6,429.59 : x
2. Step 2: Convert to fraction form
   11,465.37/15,822.15 = 6,429.59/x
3. Step 3: Cross multiply
   11,465.37x = 15,822.15 × 6,429.59
4. Step 4: Simplify right side
   11,465.37x = 101,729,858.31
5. Step 5: Solve for x
   x = 101,729,858.31/11,465.37
6. Step 6: Final answer
   x = 8,872.79