Finding the Fourth Proportional to 12,945.07, 19,424.98 and 5,046.56

Step by Step Solution

1. Step 1: Write the proportion equation
   12,945.07 : 19,424.98 = 5,046.56 : x
2. Step 2: Convert to fraction form
   12,945.07/19,424.98 = 5,046.56/x
3. Step 3: Cross multiply
   12,945.07x = 19,424.98 × 5,046.56
4. Step 4: Simplify right side
   12,945.07x = 98,029,217.33
5. Step 5: Solve for x
   x = 98,029,217.33/12,945.07
6. Step 6: Final answer
   x = 7,572.71