Finding the Fourth Proportional to 2,093.97, 3,140.73 and 1,053.55

Step by Step Solution

1. Step 1: Write the proportion equation
   2,093.97 : 3,140.73 = 1,053.55 : x
2. Step 2: Convert to fraction form
   2,093.97/3,140.73 = 1,053.55/x
3. Step 3: Cross multiply
   2,093.97x = 3,140.73 × 1,053.55
4. Step 4: Simplify right side
   2,093.97x = 3,308,900.39
5. Step 5: Solve for x
   x = 3,308,900.39/2,093.97
6. Step 6: Final answer
   x = 1,580.21