Finding the Fourth Proportional to 6,401.36, 9,601.32 and 1,784.72

Step by Step Solution

1. Step 1: Write the proportion equation
   6,401.36 : 9,601.32 = 1,784.72 : x
2. Step 2: Convert to fraction form
   6,401.36/9,601.32 = 1,784.72/x
3. Step 3: Cross multiply
   6,401.36x = 9,601.32 × 1,784.72
4. Step 4: Simplify right side
   6,401.36x = 17,135,667.83
5. Step 5: Solve for x
   x = 17,135,667.83/6,401.36
6. Step 6: Final answer
   x = 2,676.88