Finding the Fourth Proportional to 2,070.33, 3,105.47 and 837.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.33 : 3,105.47 = 837.41 : x
2. Step 2: Convert to fraction form
   2,070.33/3,105.47 = 837.41/x
3. Step 3: Cross multiply
   2,070.33x = 3,105.47 × 837.41
4. Step 4: Simplify right side
   2,070.33x = 2,600,538.20
5. Step 5: Solve for x
   x = 2,600,538.20/2,070.33
6. Step 6: Final answer
   x = 1,256.10