Finding the Fourth Proportional to 30,705.71, 42,376.37 and 17,276.18

Step by Step Solution

1. Step 1: Write the proportion equation
   30,705.71 : 42,376.37 = 17,276.18 : x
2. Step 2: Convert to fraction form
   30,705.71/42,376.37 = 17,276.18/x
3. Step 3: Cross multiply
   30,705.71x = 42,376.37 × 17,276.18
4. Step 4: Simplify right side
   30,705.71x = 732,101,497.60
5. Step 5: Solve for x
   x = 732,101,497.60/30,705.71
6. Step 6: Final answer
   x = 23,842.52