Finding the Fourth Proportional to 2,138.54, 2,947.34 and 1,548.05

Step by Step Solution

1. Step 1: Write the proportion equation
   2,138.54 : 2,947.34 = 1,548.05 : x
2. Step 2: Convert to fraction form
   2,138.54/2,947.34 = 1,548.05/x
3. Step 3: Cross multiply
   2,138.54x = 2,947.34 × 1,548.05
4. Step 4: Simplify right side
   2,138.54x = 4,562,629.32
5. Step 5: Solve for x
   x = 4,562,629.32/2,138.54
6. Step 6: Final answer
   x = 2,133.52