Finding the Fourth Proportional to 30,726.69, 42,402.86 and 17,298.04

Step by Step Solution

1. Step 1: Write the proportion equation
   30,726.69 : 42,402.86 = 17,298.04 : x
2. Step 2: Convert to fraction form
   30,726.69/42,402.86 = 17,298.04/x
3. Step 3: Cross multiply
   30,726.69x = 42,402.86 × 17,298.04
4. Step 4: Simplify right side
   30,726.69x = 733,486,368.39
5. Step 5: Solve for x
   x = 733,486,368.39/30,726.69
6. Step 6: Final answer
   x = 23,871.31