Finding the Fourth Proportional to 30,973.05, 42,743.34 and 17,543.97

Step by Step Solution

1. Step 1: Write the proportion equation
   30,973.05 : 42,743.34 = 17,543.97 : x
2. Step 2: Convert to fraction form
   30,973.05/42,743.34 = 17,543.97/x
3. Step 3: Cross multiply
   30,973.05x = 42,743.34 × 17,543.97
4. Step 4: Simplify right side
   30,973.05x = 749,887,874.66
5. Step 5: Solve for x
   x = 749,887,874.66/30,973.05
6. Step 6: Final answer
   x = 24,210.98