Finding the Fourth Proportional to 5,196.39, 7,790.50 and 2,422.69

Step by Step Solution

1. Step 1: Write the proportion equation
   5,196.39 : 7,790.50 = 2,422.69 : x
2. Step 2: Convert to fraction form
   5,196.39/7,790.50 = 2,422.69/x
3. Step 3: Cross multiply
   5,196.39x = 7,790.50 × 2,422.69
4. Step 4: Simplify right side
   5,196.39x = 18,873,966.45
5. Step 5: Solve for x
   x = 18,873,966.45/5,196.39
6. Step 6: Final answer
   x = 3,632.13