Finding the Fourth Proportional to 2,090.83, 3,136.76 and 1,048.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,090.83 : 3,136.76 = 1,048.25 : x
2. Step 2: Convert to fraction form
   2,090.83/3,136.76 = 1,048.25/x
3. Step 3: Cross multiply
   2,090.83x = 3,136.76 × 1,048.25
4. Step 4: Simplify right side
   2,090.83x = 3,288,108.67
5. Step 5: Solve for x
   x = 3,288,108.67/2,090.83
6. Step 6: Final answer
   x = 1,572.63