Finding the Fourth Proportional to 30,878.04, 42,613.35 and 17,449.86

Step by Step Solution

1. Step 1: Write the proportion equation
   30,878.04 : 42,613.35 = 17,449.86 : x
2. Step 2: Convert to fraction form
   30,878.04/42,613.35 = 17,449.86/x
3. Step 3: Cross multiply
   30,878.04x = 42,613.35 × 17,449.86
4. Step 4: Simplify right side
   30,878.04x = 743,596,991.63
5. Step 5: Solve for x
   x = 743,596,991.63/30,878.04
6. Step 6: Final answer
   x = 24,081.74