Finding the Fourth Proportional to 2,070.18, 3,103.02 and 836.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.18 : 3,103.02 = 836.82 : x
2. Step 2: Convert to fraction form
   2,070.18/3,103.02 = 836.82/x
3. Step 3: Cross multiply
   2,070.18x = 3,103.02 × 836.82
4. Step 4: Simplify right side
   2,070.18x = 2,596,669.20
5. Step 5: Solve for x
   x = 2,596,669.20/2,070.18
6. Step 6: Final answer
   x = 1,254.32