Finding the Fourth Proportional to 30,511.54, 42,103.98 and 17,080.54

Step by Step Solution

1. Step 1: Write the proportion equation
   30,511.54 : 42,103.98 = 17,080.54 : x
2. Step 2: Convert to fraction form
   30,511.54/42,103.98 = 17,080.54/x
3. Step 3: Cross multiply
   30,511.54x = 42,103.98 × 17,080.54
4. Step 4: Simplify right side
   30,511.54x = 719,158,714.55
5. Step 5: Solve for x
   x = 719,158,714.55/30,511.54
6. Step 6: Final answer
   x = 23,570.06