Finding the Fourth Proportional to 30,658.02, 42,308.52 and 18,082.80

Step by Step Solution

1. Step 1: Write the proportion equation
   30,658.02 : 42,308.52 = 18,082.80 : x
2. Step 2: Convert to fraction form
   30,658.02/42,308.52 = 18,082.80/x
3. Step 3: Cross multiply
   30,658.02x = 42,308.52 × 18,082.80
4. Step 4: Simplify right side
   30,658.02x = 765,056,505.46
5. Step 5: Solve for x
   x = 765,056,505.46/30,658.02
6. Step 6: Final answer
   x = 24,954.53