Finding the Fourth Proportional to 1,839.98, 2,539.41 and 1,054.03

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.98 : 2,539.41 = 1,054.03 : x
2. Step 2: Convert to fraction form
   1,839.98/2,539.41 = 1,054.03/x
3. Step 3: Cross multiply
   1,839.98x = 2,539.41 × 1,054.03
4. Step 4: Simplify right side
   1,839.98x = 2,676,596.36
5. Step 5: Solve for x
   x = 2,676,596.36/1,839.98
6. Step 6: Final answer
   x = 1,454.69