Finding the Fourth Proportional to 1,839.96, 2,537.72 and 1,342.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.96 : 2,537.72 = 1,342.40 : x
2. Step 2: Convert to fraction form
   1,839.96/2,537.72 = 1,342.40/x
3. Step 3: Cross multiply
   1,839.96x = 2,537.72 × 1,342.40
4. Step 4: Simplify right side
   1,839.96x = 3,406,635.33
5. Step 5: Solve for x
   x = 3,406,635.33/1,839.96
6. Step 6: Final answer
   x = 1,851.47