Finding the Fourth Proportional to 2,053.35, 3,079.86 and 1,229.78

Step by Step Solution

1. Step 1: Write the proportion equation
   2,053.35 : 3,079.86 = 1,229.78 : x
2. Step 2: Convert to fraction form
   2,053.35/3,079.86 = 1,229.78/x
3. Step 3: Cross multiply
   2,053.35x = 3,079.86 × 1,229.78
4. Step 4: Simplify right side
   2,053.35x = 3,787,534.83
5. Step 5: Solve for x
   x = 3,787,534.83/2,053.35
6. Step 6: Final answer
   x = 1,844.56