Finding the Fourth Proportional to 14,012.74, 19,337.82 and 7,725.10

Step by Step Solution

1. Step 1: Write the proportion equation
   14,012.74 : 19,337.82 = 7,725.10 : x
2. Step 2: Convert to fraction form
   14,012.74/19,337.82 = 7,725.10/x
3. Step 3: Cross multiply
   14,012.74x = 19,337.82 × 7,725.10
4. Step 4: Simplify right side
   14,012.74x = 149,386,593.28
5. Step 5: Solve for x
   x = 149,386,593.28/14,012.74
6. Step 6: Final answer
   x = 10,660.77