Finding the Fourth Proportional to 30,763.98, 42,453.72 and 17,334.90

Step by Step Solution

1. Step 1: Write the proportion equation
   30,763.98 : 42,453.72 = 17,334.90 : x
2. Step 2: Convert to fraction form
   30,763.98/42,453.72 = 17,334.90/x
3. Step 3: Cross multiply
   30,763.98x = 42,453.72 × 17,334.90
4. Step 4: Simplify right side
   30,763.98x = 735,930,990.83
5. Step 5: Solve for x
   x = 735,930,990.83/30,763.98
6. Step 6: Final answer
   x = 23,921.84