Finding the Fourth Proportional to 1,402.93, 1,934.71 and 1,253.35

Step by Step Solution

1. Step 1: Write the proportion equation
   1,402.93 : 1,934.71 = 1,253.35 : x
2. Step 2: Convert to fraction form
   1,402.93/1,934.71 = 1,253.35/x
3. Step 3: Cross multiply
   1,402.93x = 1,934.71 × 1,253.35
4. Step 4: Simplify right side
   1,402.93x = 2,424,868.78
5. Step 5: Solve for x
   x = 2,424,868.78/1,402.93
6. Step 6: Final answer
   x = 1,728.43