Finding the Fourth Proportional to 2,784.88, 3,839.46 and 1,997.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,784.88 : 3,839.46 = 1,997.56 : x
2. Step 2: Convert to fraction form
   2,784.88/3,839.46 = 1,997.56/x
3. Step 3: Cross multiply
   2,784.88x = 3,839.46 × 1,997.56
4. Step 4: Simplify right side
   2,784.88x = 7,669,551.72
5. Step 5: Solve for x
   x = 7,669,551.72/2,784.88
6. Step 6: Final answer
   x = 2,754.00