Finding the Fourth Proportional to 9,908.16, 13,673.67 and 5,432.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.16 : 13,673.67 = 5,432.31 : x
2. Step 2: Convert to fraction form
   9,908.16/13,673.67 = 5,432.31/x
3. Step 3: Cross multiply
   9,908.16x = 13,673.67 × 5,432.31
4. Step 4: Simplify right side
   9,908.16x = 74,279,614.28
5. Step 5: Solve for x
   x = 74,279,614.28/9,908.16
6. Step 6: Final answer
   x = 7,496.81