Finding the Fourth Proportional to 9,909.05, 13,674.33 and 5,432.84

Step by Step Solution

1. Step 1: Write the proportion equation
   9,909.05 : 13,674.33 = 5,432.84 : x
2. Step 2: Convert to fraction form
   9,909.05/13,674.33 = 5,432.84/x
3. Step 3: Cross multiply
   9,909.05x = 13,674.33 × 5,432.84
4. Step 4: Simplify right side
   9,909.05x = 74,290,467.37
5. Step 5: Solve for x
   x = 74,290,467.37/9,909.05
6. Step 6: Final answer
   x = 7,497.23