Finding the Fourth Proportional to 1,337.02, 2,002.71 and 1,142.86

Step by Step Solution

1. Step 1: Write the proportion equation
   1,337.02 : 2,002.71 = 1,142.86 : x
2. Step 2: Convert to fraction form
   1,337.02/2,002.71 = 1,142.86/x
3. Step 3: Cross multiply
   1,337.02x = 2,002.71 × 1,142.86
4. Step 4: Simplify right side
   1,337.02x = 2,288,817.15
5. Step 5: Solve for x
   x = 2,288,817.15/1,337.02
6. Step 6: Final answer
   x = 1,711.88