Finding the Fourth Proportional to 30,834.61, 42,551.74 and 17,405.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,834.61 : 42,551.74 = 17,405.98 : x
2. Step 2: Convert to fraction form
   30,834.61/42,551.74 = 17,405.98/x
3. Step 3: Cross multiply
   30,834.61x = 42,551.74 × 17,405.98
4. Step 4: Simplify right side
   30,834.61x = 740,654,650.78
5. Step 5: Solve for x
   x = 740,654,650.78/30,834.61
6. Step 6: Final answer
   x = 24,020.24