Finding the Fourth Proportional to 30,880.12, 42,617.06 and 17,454.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,880.12 : 42,617.06 = 17,454.18 : x
2. Step 2: Convert to fraction form
   30,880.12/42,617.06 = 17,454.18/x
3. Step 3: Cross multiply
   30,880.12x = 42,617.06 × 17,454.18
4. Step 4: Simplify right side
   30,880.12x = 743,845,836.31
5. Step 5: Solve for x
   x = 743,845,836.31/30,880.12
6. Step 6: Final answer
   x = 24,088.18