Finding the Fourth Proportional to 20,308.56, 30,315.72 and 17,552.94

Step by Step Solution

1. Step 1: Write the proportion equation
   20,308.56 : 30,315.72 = 17,552.94 : x
2. Step 2: Convert to fraction form
   20,308.56/30,315.72 = 17,552.94/x
3. Step 3: Cross multiply
   20,308.56x = 30,315.72 × 17,552.94
4. Step 4: Simplify right side
   20,308.56x = 532,130,014.22
5. Step 5: Solve for x
   x = 532,130,014.22/20,308.56
6. Step 6: Final answer
   x = 26,202.25