Finding the Fourth Proportional to 30,980.58, 42,753.30 and 17,554.32

Step by Step Solution

1. Step 1: Write the proportion equation
   30,980.58 : 42,753.30 = 17,554.32 : x
2. Step 2: Convert to fraction form
   30,980.58/42,753.30 = 17,554.32/x
3. Step 3: Cross multiply
   30,980.58x = 42,753.30 × 17,554.32
4. Step 4: Simplify right side
   30,980.58x = 750,504,895.49
5. Step 5: Solve for x
   x = 750,504,895.49/30,980.58
6. Step 6: Final answer
   x = 24,225.02