Finding the Fourth Proportional to 30,543.61, 42,149.68 and 17,114.83

Step by Step Solution

1. Step 1: Write the proportion equation
   30,543.61 : 42,149.68 = 17,114.83 : x
2. Step 2: Convert to fraction form
   30,543.61/42,149.68 = 17,114.83/x
3. Step 3: Cross multiply
   30,543.61x = 42,149.68 × 17,114.83
4. Step 4: Simplify right side
   30,543.61x = 721,384,607.75
5. Step 5: Solve for x
   x = 721,384,607.75/30,543.61
6. Step 6: Final answer
   x = 23,618.18