Finding the Fourth Proportional to 14,012.91, 19,337.82 and 7,725.30

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012.91 : 19,337.82 = 7,725.30 : x
2. Step 2: Convert to fraction form
   14,012.91/19,337.82 = 7,725.30/x
3. Step 3: Cross multiply
   14,012.91x = 19,337.82 × 7,725.30
4. Step 4: Simplify right side
   14,012.91x = 149,390,460.85
5. Step 5: Solve for x
   x = 149,390,460.85/14,012.91
6. Step 6: Final answer
   x = 10,660.92