Finding the Fourth Proportional to 3,977.28, 5,962.32 and 1,784.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,977.28 : 5,962.32 = 1,784.88 : x
2. Step 2: Convert to fraction form
   3,977.28/5,962.32 = 1,784.88/x
3. Step 3: Cross multiply
   3,977.28x = 5,962.32 × 1,784.88
4. Step 4: Simplify right side
   3,977.28x = 10,642,025.72
5. Step 5: Solve for x
   x = 10,642,025.72/3,977.28
6. Step 6: Final answer
   x = 2,675.70