Finding the Fourth Proportional to 30,849.86, 42,572.81 and 16,702.70

Step by Step Solution

1. Step 1: Write the proportion equation
   30,849.86 : 42,572.81 = 16,702.70 : x
2. Step 2: Convert to fraction form
   30,849.86/42,572.81 = 16,702.70/x
3. Step 3: Cross multiply
   30,849.86x = 42,572.81 × 16,702.70
4. Step 4: Simplify right side
   30,849.86x = 711,080,873.59
5. Step 5: Solve for x
   x = 711,080,873.59/30,849.86
6. Step 6: Final answer
   x = 23,049.73