Finding the Fourth Proportional to 2,039.97, 3,061.74 and 1,053.45

Step by Step Solution

1. Step 1: Write the proportion equation
   2,039.97 : 3,061.74 = 1,053.45 : x
2. Step 2: Convert to fraction form
   2,039.97/3,061.74 = 1,053.45/x
3. Step 3: Cross multiply
   2,039.97x = 3,061.74 × 1,053.45
4. Step 4: Simplify right side
   2,039.97x = 3,225,390.00
5. Step 5: Solve for x
   x = 3,225,390.00/2,039.97
6. Step 6: Final answer
   x = 1,581.10