Finding the Fourth Proportional to 9,011.56, 12,436.86 and 5,475.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,011.56 : 12,436.86 = 5,475.12 : x
2. Step 2: Convert to fraction form
   9,011.56/12,436.86 = 5,475.12/x
3. Step 3: Cross multiply
   9,011.56x = 12,436.86 × 5,475.12
4. Step 4: Simplify right side
   9,011.56x = 68,093,300.92
5. Step 5: Solve for x
   x = 68,093,300.92/9,011.56
6. Step 6: Final answer
   x = 7,556.22