Finding the Fourth Proportional to 1,839.16, 2,538.39 and 1,342.18

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.16 : 2,538.39 = 1,342.18 : x
2. Step 2: Convert to fraction form
   1,839.16/2,538.39 = 1,342.18/x
3. Step 3: Cross multiply
   1,839.16x = 2,538.39 × 1,342.18
4. Step 4: Simplify right side
   1,839.16x = 3,406,976.29
5. Step 5: Solve for x
   x = 3,406,976.29/1,839.16
6. Step 6: Final answer
   x = 1,852.46