Finding the Fourth Proportional to 30,877.59, 42,611.07 and 16,730.43

Step by Step Solution

1. Step 1: Write the proportion equation
   30,877.59 : 42,611.07 = 16,730.43 : x
2. Step 2: Convert to fraction form
   30,877.59/42,611.07 = 16,730.43/x
3. Step 3: Cross multiply
   30,877.59x = 42,611.07 × 16,730.43
4. Step 4: Simplify right side
   30,877.59x = 712,901,523.86
5. Step 5: Solve for x
   x = 712,901,523.86/30,877.59
6. Step 6: Final answer
   x = 23,087.99