Finding the Fourth Proportional to 2,287.50, 3,155.94 and 1,402.38

Step by Step Solution

1. Step 1: Write the proportion equation
   2,287.50 : 3,155.94 = 1,402.38 : x
2. Step 2: Convert to fraction form
   2,287.50/3,155.94 = 1,402.38/x
3. Step 3: Cross multiply
   2,287.50x = 3,155.94 × 1,402.38
4. Step 4: Simplify right side
   2,287.50x = 4,425,827.14
5. Step 5: Solve for x
   x = 4,425,827.14/2,287.50
6. Step 6: Final answer
   x = 1,934.79