Finding the Fourth Proportional to 30,582.56, 42,203.16 and 17,152.72

Step by Step Solution

1. Step 1: Write the proportion equation
   30,582.56 : 42,203.16 = 17,152.72 : x
2. Step 2: Convert to fraction form
   30,582.56/42,203.16 = 17,152.72/x
3. Step 3: Cross multiply
   30,582.56x = 42,203.16 × 17,152.72
4. Step 4: Simplify right side
   30,582.56x = 723,898,986.60
5. Step 5: Solve for x
   x = 723,898,986.60/30,582.56
6. Step 6: Final answer
   x = 23,670.32