Finding the Fourth Proportional to 1,031.56, 1,420.98 and 834.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031.56 : 1,420.98 = 834.52 : x
2. Step 2: Convert to fraction form
   1,031.56/1,420.98 = 834.52/x
3. Step 3: Cross multiply
   1,031.56x = 1,420.98 × 834.52
4. Step 4: Simplify right side
   1,031.56x = 1,185,836.23
5. Step 5: Solve for x
   x = 1,185,836.23/1,031.56
6. Step 6: Final answer
   x = 1,149.56