Finding the Fourth Proportional to 30,673.16, 42,327.78 and 17,246.60

Step by Step Solution

1. Step 1: Write the proportion equation
   30,673.16 : 42,327.78 = 17,246.60 : x
2. Step 2: Convert to fraction form
   30,673.16/42,327.78 = 17,246.60/x
3. Step 3: Cross multiply
   30,673.16x = 42,327.78 × 17,246.60
4. Step 4: Simplify right side
   30,673.16x = 730,010,290.55
5. Step 5: Solve for x
   x = 730,010,290.55/30,673.16
6. Step 6: Final answer
   x = 23,799.64