Finding the Fourth Proportional to 9,411.54, 12,987.84 and 5,162.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,411.54 : 12,987.84 = 5,162.52 : x
2. Step 2: Convert to fraction form
   9,411.54/12,987.84 = 5,162.52/x
3. Step 3: Cross multiply
   9,411.54x = 12,987.84 × 5,162.52
4. Step 4: Simplify right side
   9,411.54x = 67,049,893.01
5. Step 5: Solve for x
   x = 67,049,893.01/9,411.54
6. Step 6: Final answer
   x = 7,124.22