Finding the Fourth Proportional to 11,870.22, 17,797.12 and 8,540.52

Step by Step Solution

1. Step 1: Write the proportion equation
   11,870.22 : 17,797.12 = 8,540.52 : x
2. Step 2: Convert to fraction form
   11,870.22/17,797.12 = 8,540.52/x
3. Step 3: Cross multiply
   11,870.22x = 17,797.12 × 8,540.52
4. Step 4: Simplify right side
   11,870.22x = 151,996,659.30
5. Step 5: Solve for x
   x = 151,996,659.30/11,870.22
6. Step 6: Final answer
   x = 12,804.87