Finding the Fourth Proportional to 5,123.07, 7,684.16 and 1,425.38

Step by Step Solution

1. Step 1: Write the proportion equation
   5,123.07 : 7,684.16 = 1,425.38 : x
2. Step 2: Convert to fraction form
   5,123.07/7,684.16 = 1,425.38/x
3. Step 3: Cross multiply
   5,123.07x = 7,684.16 × 1,425.38
4. Step 4: Simplify right side
   5,123.07x = 10,952,802.43
5. Step 5: Solve for x
   x = 10,952,802.43/5,123.07
6. Step 6: Final answer
   x = 2,137.94