Finding the Fourth Proportional to 30,680.06, 42,336.06 and 17,248.76

Step by Step Solution

1. Step 1: Write the proportion equation
   30,680.06 : 42,336.06 = 17,248.76 : x
2. Step 2: Convert to fraction form
   30,680.06/42,336.06 = 17,248.76/x
3. Step 3: Cross multiply
   30,680.06x = 42,336.06 × 17,248.76
4. Step 4: Simplify right side
   30,680.06x = 730,244,538.29
5. Step 5: Solve for x
   x = 730,244,538.29/30,680.06
6. Step 6: Final answer
   x = 23,801.93