Finding the Fourth Proportional to 12,948.54, 19,426.89 and 4,628.37

Step by Step Solution

1. Step 1: Write the proportion equation
   12,948.54 : 19,426.89 = 4,628.37 : x
2. Step 2: Convert to fraction form
   12,948.54/19,426.89 = 4,628.37/x
3. Step 3: Cross multiply
   12,948.54x = 19,426.89 × 4,628.37
4. Step 4: Simplify right side
   12,948.54x = 89,914,834.87
5. Step 5: Solve for x
   x = 89,914,834.87/12,948.54
6. Step 6: Final answer
   x = 6,944.01