Finding the Fourth Proportional to 9,456.02, 13,052.18 and 5,478.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.02 : 13,052.18 = 5,478.12 : x
2. Step 2: Convert to fraction form
   9,456.02/13,052.18 = 5,478.12/x
3. Step 3: Cross multiply
   9,456.02x = 13,052.18 × 5,478.12
4. Step 4: Simplify right side
   9,456.02x = 71,501,408.30
5. Step 5: Solve for x
   x = 71,501,408.30/9,456.02
6. Step 6: Final answer
   x = 7,561.47