Finding the Fourth Proportional to 9,450.84, 13,042.56 and 5,259

Step by Step Solution

1. Step 1: Write the proportion equation
   9,450.84 : 13,042.56 = 5,259 : x
2. Step 2: Convert to fraction form
   9,450.84/13,042.56 = 5,259/x
3. Step 3: Cross multiply
   9,450.84x = 13,042.56 × 5,259
4. Step 4: Simplify right side
   9,450.84x = 68,590,823.04
5. Step 5: Solve for x
   x = 68,590,823.04/9,450.84
6. Step 6: Final answer
   x = 7,257.64