Finding the Fourth Proportional to 2,108.07, 3,162.46 and 1,053.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,108.07 : 3,162.46 = 1,053.93 : x
2. Step 2: Convert to fraction form
   2,108.07/3,162.46 = 1,053.93/x
3. Step 3: Cross multiply
   2,108.07x = 3,162.46 × 1,053.93
4. Step 4: Simplify right side
   2,108.07x = 3,333,011.47
5. Step 5: Solve for x
   x = 3,333,011.47/2,108.07
6. Step 6: Final answer
   x = 1,581.07