Finding the Fourth Proportional to 11,422.09, 15,762.83 and 6,386.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,422.09 : 15,762.83 = 6,386.52 : x
2. Step 2: Convert to fraction form
   11,422.09/15,762.83 = 6,386.52/x
3. Step 3: Cross multiply
   11,422.09x = 15,762.83 × 6,386.52
4. Step 4: Simplify right side
   11,422.09x = 100,669,629.05
5. Step 5: Solve for x
   x = 100,669,629.05/11,422.09
6. Step 6: Final answer
   x = 8,813.59