Finding the Fourth Proportional to 9,754.84, 13,451.28 and 7,864.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,754.84 : 13,451.28 = 7,864.42 : x
2. Step 2: Convert to fraction form
   9,754.84/13,451.28 = 7,864.42/x
3. Step 3: Cross multiply
   9,754.84x = 13,451.28 × 7,864.42
4. Step 4: Simplify right side
   9,754.84x = 105,786,515.46
5. Step 5: Solve for x
   x = 105,786,515.46/9,754.84
6. Step 6: Final answer
   x = 10,844.52