Finding the Fourth Proportional to 2,591.52, 3,887.62 and 835.96

Step by Step Solution

1. Step 1: Write the proportion equation
   2,591.52 : 3,887.62 = 835.96 : x
2. Step 2: Convert to fraction form
   2,591.52/3,887.62 = 835.96/x
3. Step 3: Cross multiply
   2,591.52x = 3,887.62 × 835.96
4. Step 4: Simplify right side
   2,591.52x = 3,249,894.82
5. Step 5: Solve for x
   x = 3,249,894.82/2,591.52
6. Step 6: Final answer
   x = 1,254.05