Finding the Fourth Proportional to 30,907.83, 42,651.01 and 17,481.90

Step by Step Solution

1. Step 1: Write the proportion equation
   30,907.83 : 42,651.01 = 17,481.90 : x
2. Step 2: Convert to fraction form
   30,907.83/42,651.01 = 17,481.90/x
3. Step 3: Cross multiply
   30,907.83x = 42,651.01 × 17,481.90
4. Step 4: Simplify right side
   30,907.83x = 745,620,691.72
5. Step 5: Solve for x
   x = 745,620,691.72/30,907.83
6. Step 6: Final answer
   x = 24,124.01