Finding the Fourth Proportional to 9,410.96, 12,987.29 and 5,162.42

Step by Step Solution

1. Step 1: Write the proportion equation
   9,410.96 : 12,987.29 = 5,162.42 : x
2. Step 2: Convert to fraction form
   9,410.96/12,987.29 = 5,162.42/x
3. Step 3: Cross multiply
   9,410.96x = 12,987.29 × 5,162.42
4. Step 4: Simplify right side
   9,410.96x = 67,045,891.02
5. Step 5: Solve for x
   x = 67,045,891.02/9,410.96
6. Step 6: Final answer
   x = 7,124.23