Finding the Fourth Proportional to 9,474.62, 13,071.56 and 5,645.48

Step by Step Solution

1. Step 1: Write the proportion equation
   9,474.62 : 13,071.56 = 5,645.48 : x
2. Step 2: Convert to fraction form
   9,474.62/13,071.56 = 5,645.48/x
3. Step 3: Cross multiply
   9,474.62x = 13,071.56 × 5,645.48
4. Step 4: Simplify right side
   9,474.62x = 73,795,136.96
5. Step 5: Solve for x
   x = 73,795,136.96/9,474.62
6. Step 6: Final answer
   x = 7,788.72