Finding the Fourth Proportional to 1,839.72, 2,753.51 and 1,146.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,839.72 : 2,753.51 = 1,146.90 : x
2. Step 2: Convert to fraction form
   1,839.72/2,753.51 = 1,146.90/x
3. Step 3: Cross multiply
   1,839.72x = 2,753.51 × 1,146.90
4. Step 4: Simplify right side
   1,839.72x = 3,157,994.88
5. Step 5: Solve for x
   x = 3,157,994.88/1,839.72
6. Step 6: Final answer
   x = 1,716.56