Finding the Fourth Proportional to 1,400.93, 1,931.27 and 1,002.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,400.93 : 1,931.27 = 1,002.48 : x
2. Step 2: Convert to fraction form
   1,400.93/1,931.27 = 1,002.48/x
3. Step 3: Cross multiply
   1,400.93x = 1,931.27 × 1,002.48
4. Step 4: Simplify right side
   1,400.93x = 1,936,059.55
5. Step 5: Solve for x
   x = 1,936,059.55/1,400.93
6. Step 6: Final answer
   x = 1,381.98