Finding the Fourth Proportional to 30,766.05, 42,454.58 and 18,017.51

Step by Step Solution

1. Step 1: Write the proportion equation
   30,766.05 : 42,454.58 = 18,017.51 : x
2. Step 2: Convert to fraction form
   30,766.05/42,454.58 = 18,017.51/x
3. Step 3: Cross multiply
   30,766.05x = 42,454.58 × 18,017.51
4. Step 4: Simplify right side
   30,766.05x = 764,925,517.34
5. Step 5: Solve for x
   x = 764,925,517.34/30,766.05
6. Step 6: Final answer
   x = 24,862.65