Finding the Fourth Proportional to 1,162.42, 1,744.80 and 1,031.50

Step by Step Solution

1. Step 1: Write the proportion equation
   1,162.42 : 1,744.80 = 1,031.50 : x
2. Step 2: Convert to fraction form
   1,162.42/1,744.80 = 1,031.50/x
3. Step 3: Cross multiply
   1,162.42x = 1,744.80 × 1,031.50
4. Step 4: Simplify right side
   1,162.42x = 1,799,761.20
5. Step 5: Solve for x
   x = 1,799,761.20/1,162.42
6. Step 6: Final answer
   x = 1,548.29