Finding the Fourth Proportional to 30,507.99, 42,096.60 and 17,076.77

Step by Step Solution

1. Step 1: Write the proportion equation
   30,507.99 : 42,096.60 = 17,076.77 : x
2. Step 2: Convert to fraction form
   30,507.99/42,096.60 = 17,076.77/x
3. Step 3: Cross multiply
   30,507.99x = 42,096.60 × 17,076.77
4. Step 4: Simplify right side
   30,507.99x = 718,873,745.50
5. Step 5: Solve for x
   x = 718,873,745.50/30,507.99
6. Step 6: Final answer
   x = 23,563.46