Finding the Fourth Proportional to 30,485.46, 42,068.96 and 17,056.96

Step by Step Solution

1. Step 1: Write the proportion equation
   30,485.46 : 42,068.96 = 17,056.96 : x
2. Step 2: Convert to fraction form
   30,485.46/42,068.96 = 17,056.96/x
3. Step 3: Cross multiply
   30,485.46x = 42,068.96 × 17,056.96
4. Step 4: Simplify right side
   30,485.46x = 717,568,567.96
5. Step 5: Solve for x
   x = 717,568,567.96/30,485.46
6. Step 6: Final answer
   x = 23,538.06