Finding the Fourth Proportional to 9,908.85, 13,674.30 and 5,432.69

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.85 : 13,674.30 = 5,432.69 : x
2. Step 2: Convert to fraction form
   9,908.85/13,674.30 = 5,432.69/x
3. Step 3: Cross multiply
   9,908.85x = 13,674.30 × 5,432.69
4. Step 4: Simplify right side
   9,908.85x = 74,288,164.50
5. Step 5: Solve for x
   x = 74,288,164.50/9,908.85
6. Step 6: Final answer
   x = 7,497.15