Finding the Fourth Proportional to 1,276.85, 1,761.59 and 835.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,276.85 : 1,761.59 = 835.01 : x
2. Step 2: Convert to fraction form
   1,276.85/1,761.59 = 835.01/x
3. Step 3: Cross multiply
   1,276.85x = 1,761.59 × 835.01
4. Step 4: Simplify right side
   1,276.85x = 1,470,938.55
5. Step 5: Solve for x
   x = 1,470,938.55/1,276.85
6. Step 6: Final answer
   x = 1,152.01