Finding the Fourth Proportional to 30,698.48, 42,363.48 and 17,269.74

Step by Step Solution

1. Step 1: Write the proportion equation
   30,698.48 : 42,363.48 = 17,269.74 : x
2. Step 2: Convert to fraction form
   30,698.48/42,363.48 = 17,269.74/x
3. Step 3: Cross multiply
   30,698.48x = 42,363.48 × 17,269.74
4. Step 4: Simplify right side
   30,698.48x = 731,606,285.10
5. Step 5: Solve for x
   x = 731,606,285.10/30,698.48
6. Step 6: Final answer
   x = 23,832.00