Finding the Fourth Proportional to 14,199.72, 19,595.94 and 7,912.48

Step by Step Solution

1. Step 1: Write the proportion equation
   14,199.72 : 19,595.94 = 7,912.48 : x
2. Step 2: Convert to fraction form
   14,199.72/19,595.94 = 7,912.48/x
3. Step 3: Cross multiply
   14,199.72x = 19,595.94 × 7,912.48
4. Step 4: Simplify right side
   14,199.72x = 155,052,483.33
5. Step 5: Solve for x
   x = 155,052,483.33/14,199.72
6. Step 6: Final answer
   x = 10,919.40