Finding the Fourth Proportional to 2,782.32, 4,173.53 and 835.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,782.32 : 4,173.53 = 835.89 : x
2. Step 2: Convert to fraction form
   2,782.32/4,173.53 = 835.89/x
3. Step 3: Cross multiply
   2,782.32x = 4,173.53 × 835.89
4. Step 4: Simplify right side
   2,782.32x = 3,488,607.81
5. Step 5: Solve for x
   x = 3,488,607.81/2,782.32
6. Step 6: Final answer
   x = 1,253.85