Finding the Fourth Proportional to 1,358.61, 2,035.98 and 1,142.34

Step by Step Solution

1. Step 1: Write the proportion equation
   1,358.61 : 2,035.98 = 1,142.34 : x
2. Step 2: Convert to fraction form
   1,358.61/2,035.98 = 1,142.34/x
3. Step 3: Cross multiply
   1,358.61x = 2,035.98 × 1,142.34
4. Step 4: Simplify right side
   1,358.61x = 2,325,781.39
5. Step 5: Solve for x
   x = 2,325,781.39/1,358.61
6. Step 6: Final answer
   x = 1,711.88