Finding the Fourth Proportional to 30,546.56, 42,153.54 and 17,972.12

Step by Step Solution

1. Step 1: Write the proportion equation
   30,546.56 : 42,153.54 = 17,972.12 : x
2. Step 2: Convert to fraction form
   30,546.56/42,153.54 = 17,972.12/x
3. Step 3: Cross multiply
   30,546.56x = 42,153.54 × 17,972.12
4. Step 4: Simplify right side
   30,546.56x = 757,588,479.30
5. Step 5: Solve for x
   x = 757,588,479.30/30,546.56
6. Step 6: Final answer
   x = 24,801.11