Finding the Fourth Proportional to 30,758.94, 42,449.27 and 17,328.74

Step by Step Solution

1. Step 1: Write the proportion equation
   30,758.94 : 42,449.27 = 17,328.74 : x
2. Step 2: Convert to fraction form
   30,758.94/42,449.27 = 17,328.74/x
3. Step 3: Cross multiply
   30,758.94x = 42,449.27 × 17,328.74
4. Step 4: Simplify right side
   30,758.94x = 735,592,064.13
5. Step 5: Solve for x
   x = 735,592,064.13/30,758.94
6. Step 6: Final answer
   x = 23,914.74