Finding the Fourth Proportional to 9,131.28, 13,702.49 and 6,322.37

Step by Step Solution

1. Step 1: Write the proportion equation
   9,131.28 : 13,702.49 = 6,322.37 : x
2. Step 2: Convert to fraction form
   9,131.28/13,702.49 = 6,322.37/x
3. Step 3: Cross multiply
   9,131.28x = 13,702.49 × 6,322.37
4. Step 4: Simplify right side
   9,131.28x = 86,632,111.58
5. Step 5: Solve for x
   x = 86,632,111.58/9,131.28
6. Step 6: Final answer
   x = 9,487.40