Finding the Fourth Proportional to 30,801.62, 42,506.03 and 17,372.99

Step by Step Solution

1. Step 1: Write the proportion equation
   30,801.62 : 42,506.03 = 17,372.99 : x
2. Step 2: Convert to fraction form
   30,801.62/42,506.03 = 17,372.99/x
3. Step 3: Cross multiply
   30,801.62x = 42,506.03 × 17,372.99
4. Step 4: Simplify right side
   30,801.62x = 738,456,983.83
5. Step 5: Solve for x
   x = 738,456,983.83/30,801.62
6. Step 6: Final answer
   x = 23,974.61