Finding the Fourth Proportional to 1,426.94, 2,137.64 and 938.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,426.94 : 2,137.64 = 938.52 : x
2. Step 2: Convert to fraction form
   1,426.94/2,137.64 = 938.52/x
3. Step 3: Cross multiply
   1,426.94x = 2,137.64 × 938.52
4. Step 4: Simplify right side
   1,426.94x = 2,006,217.89
5. Step 5: Solve for x
   x = 2,006,217.89/1,426.94
6. Step 6: Final answer
   x = 1,405.96