Finding the Fourth Proportional to 9,013.56, 12,435.18 and 5,475.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,013.56 : 12,435.18 = 5,475.48 : x
2. Step 2: Convert to fraction form
   9,013.56/12,435.18 = 5,475.48/x
3. Step 3: Cross multiply
   9,013.56x = 12,435.18 × 5,475.48
4. Step 4: Simplify right side
   9,013.56x = 68,088,579.39
5. Step 5: Solve for x
   x = 68,088,579.39/9,013.56
6. Step 6: Final answer
   x = 7,554.02