Finding the Fourth Proportional to 9,196.84, 12,690.75 and 5,162.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,196.84 : 12,690.75 = 5,162.74 : x
2. Step 2: Convert to fraction form
   9,196.84/12,690.75 = 5,162.74/x
3. Step 3: Cross multiply
   9,196.84x = 12,690.75 × 5,162.74
4. Step 4: Simplify right side
   9,196.84x = 65,518,979.20
5. Step 5: Solve for x
   x = 65,518,979.20/9,196.84
6. Step 6: Final answer
   x = 7,124.08