Finding the Fourth Proportional to 30,588.30, 42,212.34 and 16,975.98

Step by Step Solution

1. Step 1: Write the proportion equation
   30,588.30 : 42,212.34 = 16,975.98 : x
2. Step 2: Convert to fraction form
   30,588.30/42,212.34 = 16,975.98/x
3. Step 3: Cross multiply
   30,588.30x = 42,212.34 × 16,975.98
4. Step 4: Simplify right side
   30,588.30x = 716,595,839.59
5. Step 5: Solve for x
   x = 716,595,839.59/30,588.30
6. Step 6: Final answer
   x = 23,427.12