Finding the Fourth Proportional to 9,456.74, 13,051.92 and 5,480.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,456.74 : 13,051.92 = 5,480.30 : x
2. Step 2: Convert to fraction form
   9,456.74/13,051.92 = 5,480.30/x
3. Step 3: Cross multiply
   9,456.74x = 13,051.92 × 5,480.30
4. Step 4: Simplify right side
   9,456.74x = 71,528,437.18
5. Step 5: Solve for x
   x = 71,528,437.18/9,456.74
6. Step 6: Final answer
   x = 7,563.75