Finding the Fourth Proportional to 9,908.84, 13,674.12 and 5,432.51

Step by Step Solution

1. Step 1: Write the proportion equation
   9,908.84 : 13,674.12 = 5,432.51 : x
2. Step 2: Convert to fraction form
   9,908.84/13,674.12 = 5,432.51/x
3. Step 3: Cross multiply
   9,908.84x = 13,674.12 × 5,432.51
4. Step 4: Simplify right side
   9,908.84x = 74,284,807.45
5. Step 5: Solve for x
   x = 74,284,807.45/9,908.84
6. Step 6: Final answer
   x = 7,496.82