Finding the Fourth Proportional to 5,308.72, 7,964.23 and 1,611.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,308.72 : 7,964.23 = 1,611.24 : x
2. Step 2: Convert to fraction form
   5,308.72/7,964.23 = 1,611.24/x
3. Step 3: Cross multiply
   5,308.72x = 7,964.23 × 1,611.24
4. Step 4: Simplify right side
   5,308.72x = 12,832,285.95
5. Step 5: Solve for x
   x = 12,832,285.95/5,308.72
6. Step 6: Final answer
   x = 2,417.21