Finding the Fourth Proportional to 2,063.53, 3,094.89 and 830.31

Step by Step Solution

1. Step 1: Write the proportion equation
   2,063.53 : 3,094.89 = 830.31 : x
2. Step 2: Convert to fraction form
   2,063.53/3,094.89 = 830.31/x
3. Step 3: Cross multiply
   2,063.53x = 3,094.89 × 830.31
4. Step 4: Simplify right side
   2,063.53x = 2,569,718.12
5. Step 5: Solve for x
   x = 2,569,718.12/2,063.53
6. Step 6: Final answer
   x = 1,245.30