Finding the Fourth Proportional to 1,839.39, 2,538.72 and 1,053.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.39 : 2,538.72 = 1,053.96 : x
2. Step 2: Convert to fraction form
   1,839.39/2,538.72 = 1,053.96/x
3. Step 3: Cross multiply
   1,839.39x = 2,538.72 × 1,053.96
4. Step 4: Simplify right side
   1,839.39x = 2,675,709.33
5. Step 5: Solve for x
   x = 2,675,709.33/1,839.39
6. Step 6: Final answer
   x = 1,454.67