Finding the Fourth Proportional to 25,109.48, 34,650.82 and 13,931.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,109.48 : 34,650.82 = 13,931.56 : x
2. Step 2: Convert to fraction form
   25,109.48/34,650.82 = 13,931.56/x
3. Step 3: Cross multiply
   25,109.48x = 34,650.82 × 13,931.56
4. Step 4: Simplify right side
   25,109.48x = 482,739,977.88
5. Step 5: Solve for x
   x = 482,739,977.88/25,109.48
6. Step 6: Final answer
   x = 19,225.41