Finding the Fourth Proportional to 27,972.72, 42,017.42 and 16,308.72

Step by Step Solution

1. Step 1: Write the proportion equation
   27,972.72 : 42,017.42 = 16,308.72 : x
2. Step 2: Convert to fraction form
   27,972.72/42,017.42 = 16,308.72/x
3. Step 3: Cross multiply
   27,972.72x = 42,017.42 × 16,308.72
4. Step 4: Simplify right side
   27,972.72x = 685,250,337.90
5. Step 5: Solve for x
   x = 685,250,337.90/27,972.72
6. Step 6: Final answer
   x = 24,497.09