Finding the Fourth Proportional to 1,839.42, 2,538.41 and 1,053.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.42 : 2,538.41 = 1,053.48 : x
2. Step 2: Convert to fraction form
   1,839.42/2,538.41 = 1,053.48/x
3. Step 3: Cross multiply
   1,839.42x = 2,538.41 × 1,053.48
4. Step 4: Simplify right side
   1,839.42x = 2,674,158.90
5. Step 5: Solve for x
   x = 2,674,158.90/1,839.42
6. Step 6: Final answer
   x = 1,453.81