Finding the Fourth Proportional to 9,397.10, 12,967.12 and 5,619.53

Step by Step Solution

1. Step 1: Write the proportion equation
   9,397.10 : 12,967.12 = 5,619.53 : x
2. Step 2: Convert to fraction form
   9,397.10/12,967.12 = 5,619.53/x
3. Step 3: Cross multiply
   9,397.10x = 12,967.12 × 5,619.53
4. Step 4: Simplify right side
   9,397.10x = 72,869,119.85
5. Step 5: Solve for x
   x = 72,869,119.85/9,397.10
6. Step 6: Final answer
   x = 7,754.43