Finding the Fourth Proportional to 9,450.76, 13,042.56 and 5,259.10

Step by Step Solution

1. Step 1: Write the proportion equation
   9,450.76 : 13,042.56 = 5,259.10 : x
2. Step 2: Convert to fraction form
   9,450.76/13,042.56 = 5,259.10/x
3. Step 3: Cross multiply
   9,450.76x = 13,042.56 × 5,259.10
4. Step 4: Simplify right side
   9,450.76x = 68,592,127.30
5. Step 5: Solve for x
   x = 68,592,127.30/9,450.76
6. Step 6: Final answer
   x = 7,257.84