Finding the Fourth Proportional to 42,488.20, 63,674.89 and 16,178.59

Step by Step Solution

1. Step 1: Write the proportion equation
   42,488.20 : 63,674.89 = 16,178.59 : x
2. Step 2: Convert to fraction form
   42,488.20/63,674.89 = 16,178.59/x
3. Step 3: Cross multiply
   42,488.20x = 63,674.89 × 16,178.59
4. Step 4: Simplify right side
   42,488.20x = 1,030,169,938.61
5. Step 5: Solve for x
   x = 1,030,169,938.61/42,488.20
6. Step 6: Final answer
   x = 24,246.02