Finding the Fourth Proportional to 30,972.83, 42,742.61 and 17,546.57

Step by Step Solution

1. Step 1: Write the proportion equation
   30,972.83 : 42,742.61 = 17,546.57 : x
2. Step 2: Convert to fraction form
   30,972.83/42,742.61 = 17,546.57/x
3. Step 3: Cross multiply
   30,972.83x = 42,742.61 × 17,546.57
4. Step 4: Simplify right side
   30,972.83x = 749,986,028.50
5. Step 5: Solve for x
   x = 749,986,028.50/30,972.83
6. Step 6: Final answer
   x = 24,214.32