Finding the Fourth Proportional to 2,709.50, 4,063.59 and 1,148.63

Step by Step Solution

1. Step 1: Write the proportion equation
   2,709.50 : 4,063.59 = 1,148.63 : x
2. Step 2: Convert to fraction form
   2,709.50/4,063.59 = 1,148.63/x
3. Step 3: Cross multiply
   2,709.50x = 4,063.59 × 1,148.63
4. Step 4: Simplify right side
   2,709.50x = 4,667,541.06
5. Step 5: Solve for x
   x = 4,667,541.06/2,709.50
6. Step 6: Final answer
   x = 1,722.66