Finding the Fourth Proportional to 30,543.42, 42,149.55 and 17,114.61

Step by Step Solution

1. Step 1: Write the proportion equation
   30,543.42 : 42,149.55 = 17,114.61 : x
2. Step 2: Convert to fraction form
   30,543.42/42,149.55 = 17,114.61/x
3. Step 3: Cross multiply
   30,543.42x = 42,149.55 × 17,114.61
4. Step 4: Simplify right side
   30,543.42x = 721,373,109.93
5. Step 5: Solve for x
   x = 721,373,109.93/30,543.42
6. Step 6: Final answer
   x = 23,617.95