Finding the Fourth Proportional to 30,801.06, 42,504.58 and 17,371.50

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.06 : 42,504.58 = 17,371.50 : x
2. Step 2: Convert to fraction form
   30,801.06/42,504.58 = 17,371.50/x
3. Step 3: Cross multiply
   30,801.06x = 42,504.58 × 17,371.50
4. Step 4: Simplify right side
   30,801.06x = 738,368,173.79
5. Step 5: Solve for x
   x = 738,368,173.79/30,801.06
6. Step 6: Final answer
   x = 23,972.17