Finding the Fourth Proportional to 11,429.84, 15,769.68 and 7,449.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,429.84 : 15,769.68 = 7,449.50 : x
2. Step 2: Convert to fraction form
   11,429.84/15,769.68 = 7,449.50/x
3. Step 3: Cross multiply
   11,429.84x = 15,769.68 × 7,449.50
4. Step 4: Simplify right side
   11,429.84x = 117,476,231.16
5. Step 5: Solve for x
   x = 117,476,231.16/11,429.84
6. Step 6: Final answer
   x = 10,278.03