Finding the Fourth Proportional to 30,685.73, 42,341.01 and 17,255.93

Step by Step Solution

1. Step 1: Write the proportion equation
   30,685.73 : 42,341.01 = 17,255.93 : x
2. Step 2: Convert to fraction form
   30,685.73/42,341.01 = 17,255.93/x
3. Step 3: Cross multiply
   30,685.73x = 42,341.01 × 17,255.93
4. Step 4: Simplify right side
   30,685.73x = 730,633,504.69
5. Step 5: Solve for x
   x = 730,633,504.69/30,685.73
6. Step 6: Final answer
   x = 23,810.20