Finding the Fourth Proportional to 12,914.72, 19,375.33 and 3,680.72

Step by Step Solution

1. Step 1: Write the proportion equation
   12,914.72 : 19,375.33 = 3,680.72 : x
2. Step 2: Convert to fraction form
   12,914.72/19,375.33 = 3,680.72/x
3. Step 3: Cross multiply
   12,914.72x = 19,375.33 × 3,680.72
4. Step 4: Simplify right side
   12,914.72x = 71,315,138.12
5. Step 5: Solve for x
   x = 71,315,138.12/12,914.72
6. Step 6: Final answer
   x = 5,522.00