Finding the Fourth Proportional to 1,141.58, 1,713.17 and 1,031.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,141.58 : 1,713.17 = 1,031.42 : x
2. Step 2: Convert to fraction form
   1,141.58/1,713.17 = 1,031.42/x
3. Step 3: Cross multiply
   1,141.58x = 1,713.17 × 1,031.42
4. Step 4: Simplify right side
   1,141.58x = 1,766,991.81
5. Step 5: Solve for x
   x = 1,766,991.81/1,141.58
6. Step 6: Final answer
   x = 1,547.85