Finding the Fourth Proportional to 17,820.20, 26,728.72 and 5,343.01

Step by Step Solution

1. Step 1: Write the proportion equation
   17,820.20 : 26,728.72 = 5,343.01 : x
2. Step 2: Convert to fraction form
   17,820.20/26,728.72 = 5,343.01/x
3. Step 3: Cross multiply
   17,820.20x = 26,728.72 × 5,343.01
4. Step 4: Simplify right side
   17,820.20x = 142,811,738.07
5. Step 5: Solve for x
   x = 142,811,738.07/17,820.20
6. Step 6: Final answer
   x = 8,014.04