Finding the Fourth Proportional to 30,860.92, 42,588.03 and 16,713.82

Step by Step Solution

1. Step 1: Write the proportion equation
   30,860.92 : 42,588.03 = 16,713.82 : x
2. Step 2: Convert to fraction form
   30,860.92/42,588.03 = 16,713.82/x
3. Step 3: Cross multiply
   30,860.92x = 42,588.03 × 16,713.82
4. Step 4: Simplify right side
   30,860.92x = 711,808,667.57
5. Step 5: Solve for x
   x = 711,808,667.57/30,860.92
6. Step 6: Final answer
   x = 23,065.05