Finding the Fourth Proportional to 1,839.38, 2,538.50 and 1,053.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.38 : 2,538.50 = 1,053.59 : x
2. Step 2: Convert to fraction form
   1,839.38/2,538.50 = 1,053.59/x
3. Step 3: Cross multiply
   1,839.38x = 2,538.50 × 1,053.59
4. Step 4: Simplify right side
   1,839.38x = 2,674,520.25
5. Step 5: Solve for x
   x = 2,674,520.25/1,839.38
6. Step 6: Final answer
   x = 1,454.04