Finding the Fourth Proportional to 30,530.12, 42,123.70 and 17,952.52

Step by Step Solution

1. Step 1: Write the proportion equation
   30,530.12 : 42,123.70 = 17,952.52 : x
2. Step 2: Convert to fraction form
   30,530.12/42,123.70 = 17,952.52/x
3. Step 3: Cross multiply
   30,530.12x = 42,123.70 × 17,952.52
4. Step 4: Simplify right side
   30,530.12x = 756,226,566.72
5. Step 5: Solve for x
   x = 756,226,566.72/30,530.12
6. Step 6: Final answer
   x = 24,769.85