Finding the Fourth Proportional to 5,123.63, 7,684.59 and 1,426.24

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.63 : 7,684.59 = 1,426.24 : x
2. Step 2: Convert to fraction form
   5,123.63/7,684.59 = 1,426.24/x
3. Step 3: Cross multiply
   5,123.63x = 7,684.59 × 1,426.24
4. Step 4: Simplify right side
   5,123.63x = 10,960,069.64
5. Step 5: Solve for x
   x = 10,960,069.64/5,123.63
6. Step 6: Final answer
   x = 2,139.12