Finding the Fourth Proportional to 30,696.18, 42,360.30 and 17,267.42

Step by Step Solution

1. Step 1: Write the proportion equation
   30,696.18 : 42,360.30 = 17,267.42 : x
2. Step 2: Convert to fraction form
   30,696.18/42,360.30 = 17,267.42/x
3. Step 3: Cross multiply
   30,696.18x = 42,360.30 × 17,267.42
4. Step 4: Simplify right side
   30,696.18x = 731,453,091.43
5. Step 5: Solve for x
   x = 731,453,091.43/30,696.18
6. Step 6: Final answer
   x = 23,828.80