Finding the Fourth Proportional to 9,908.98, 13,674.52 and 5,432.72

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.98 : 13,674.52 = 5,432.72 : x
2. Step 2: Convert to fraction form
   9,908.98/13,674.52 = 5,432.72/x
3. Step 3: Cross multiply
   9,908.98x = 13,674.52 × 5,432.72
4. Step 4: Simplify right side
   9,908.98x = 74,289,810.36
5. Step 5: Solve for x
   x = 74,289,810.36/9,908.98
6. Step 6: Final answer
   x = 7,497.22