Finding the Fourth Proportional to 30,469.37, 42,047.51 and 17,722.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,469.37 : 42,047.51 = 17,722.80 : x
2. Step 2: Convert to fraction form
   30,469.37/42,047.51 = 17,722.80/x
3. Step 3: Cross multiply
   30,469.37x = 42,047.51 × 17,722.80
4. Step 4: Simplify right side
   30,469.37x = 745,199,521.61
5. Step 5: Solve for x
   x = 745,199,521.61/30,469.37
6. Step 6: Final answer
   x = 24,457.34