Finding the Fourth Proportional to 25,150.12, 34,703.46 and 13,972.12

Step by Step Solution

1. Step 1: Write the proportion equation
   25,150.12 : 34,703.46 = 13,972.12 : x
2. Step 2: Convert to fraction form
   25,150.12/34,703.46 = 13,972.12/x
3. Step 3: Cross multiply
   25,150.12x = 34,703.46 × 13,972.12
4. Step 4: Simplify right side
   25,150.12x = 484,880,907.54
5. Step 5: Solve for x
   x = 484,880,907.54/25,150.12
6. Step 6: Final answer
   x = 19,279.47