Finding the Fourth Proportional to 17,820.27, 26,730.30 and 5,340.30

Step by Step Solution

1. Step 1: Write the proportion equation
   17,820.27 : 26,730.30 = 5,340.30 : x
2. Step 2: Convert to fraction form
   17,820.27/26,730.30 = 5,340.30/x
3. Step 3: Cross multiply
   17,820.27x = 26,730.30 × 5,340.30
4. Step 4: Simplify right side
   17,820.27x = 142,747,740.88
5. Step 5: Solve for x
   x = 142,747,740.88/17,820.27
6. Step 6: Final answer
   x = 8,010.41